Fri, 17 Apr 2015 16:26:53 +0200
fixed static variable fail
76
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
1 | /* |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
3 | * |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
4 | * Copyright 2015 Olaf Wintermann. All rights reserved. |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
5 | * |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
6 | * Redistribution and use in source and binary forms, with or without |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
7 | * modification, are permitted provided that the following conditions are met: |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
8 | * |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
9 | * 1. Redistributions of source code must retain the above copyright |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
10 | * notice, this list of conditions and the following disclaimer. |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
11 | * |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
12 | * 2. Redistributions in binary form must reproduce the above copyright |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
13 | * notice, this list of conditions and the following disclaimer in the |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
14 | * documentation and/or other materials provided with the distribution. |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
15 | * |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
26 | * POSSIBILITY OF SUCH DAMAGE. |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
27 | */ |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
28 | |
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
29 | #include "davqlparser.h" |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
30 | #include <ucx/utils.h> |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
31 | #include <string.h> |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
32 | #include <stdio.h> |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
33 | #include <ctype.h> |
76
4c48ce3b9045
structure draft for DavQL statements
Mike Becker <universe@uap-core.de>
parents:
diff
changeset
|
34 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
35 | #define sfmtarg(s) ((int)(s).length), (s).ptr |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
36 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
37 | // ------------------------------------------------------------------------ |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
38 | // D E B U G E R |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
39 | // ------------------------------------------------------------------------ |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
40 | |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
41 | static const char* _map_querytype(davqltype_t type) { |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
42 | switch(type) { |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
43 | case DAVQL_ERROR: return "ERROR"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
44 | case DAVQL_GET: return "GET"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
45 | case DAVQL_SET: return "SET"; |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
46 | default: return "unknown"; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
47 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
48 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
49 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
50 | static const char* _map_exprtype(davqlexprtype_t type) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
51 | switch(type) { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
52 | case DAVQL_NUMBER: return "NUMBER"; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
53 | case DAVQL_STRING: return "STRING"; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
54 | case DAVQL_TIMESTAMP: return "TIMESTAMP"; |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
55 | case DAVQL_IDENTIFIER: return "IDENTIFIER"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
56 | case DAVQL_UNARY: return "UNARY"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
57 | case DAVQL_BINARY: return "BINARY"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
58 | case DAVQL_LOGICAL: return "LOGICAL"; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
59 | case DAVQL_FUNCCALL: return "FUNCCALL"; |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
60 | default: return "unknown"; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
61 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
62 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
63 | |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
64 | static const char* _map_specialfield(int info) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
65 | switch(info) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
66 | case 0: return ""; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
67 | case 1: return "with wildcard"; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
68 | case 2: return "(resource data only)"; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
69 | default: return "with mysterious identifier"; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
70 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
71 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
72 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
73 | static const char* _map_operator(davqloperator_t op) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
74 | // don't use string array, because enum values may change |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
75 | switch(op) { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
76 | case DAVQL_NOOP: return "no operator"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
77 | case DAVQL_ADD: return "+"; case DAVQL_SUB: return "-"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
78 | case DAVQL_MUL: return "*"; case DAVQL_DIV: return "/"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
79 | case DAVQL_AND: return "&"; case DAVQL_OR: return "|"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
80 | case DAVQL_XOR: return "^"; case DAVQL_NEG: return "~"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
81 | case DAVQL_NOT: return "NOT"; case DAVQL_LAND: return "AND"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
82 | case DAVQL_LOR: return "OR"; case DAVQL_LXOR: return "XOR"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
83 | case DAVQL_EQ: return "="; case DAVQL_NEQ: return "!="; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
84 | case DAVQL_LT: return "<"; case DAVQL_GT: return ">"; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
85 | case DAVQL_LE: return "<="; case DAVQL_GE: return ">="; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
86 | case DAVQL_LIKE: return "LIKE"; case DAVQL_UNLIKE: return "UNLIKE"; |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
87 | default: return "unknown"; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
88 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
89 | } |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
90 | |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
91 | static void dav_debug_ql_stmt_print(DavQLStatement *stmt) { |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
92 | // Basic information |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
93 | size_t fieldcount = ucx_list_size(stmt->fields); |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
94 | int specialfield = 0; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
95 | UCX_FOREACH(elm, stmt->fields) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
96 | DavQLExpression* expr = (DavQLExpression*)elm->data; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
97 | if (expr->type == DAVQL_IDENTIFIER && expr->srctext.length == 1) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
98 | if (expr->srctext.ptr[0] == '*') { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
99 | specialfield = 1; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
100 | } else if (expr->srctext.ptr[0] == '-') { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
101 | specialfield = 2; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
102 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
103 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
104 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
105 | if (specialfield) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
106 | fieldcount--; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
107 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
108 | printf("Statement: %.*s\nType: %s\nField count: %zu %s\nPath: %.*s\n" |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
109 | "Has where clause: %s\n", |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
110 | sfmtarg(stmt->srctext), |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
111 | _map_querytype(stmt->type), |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
112 | fieldcount, |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
113 | _map_specialfield(specialfield), |
87
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
114 | sfmtarg(stmt->path), |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
115 | stmt->where ? "yes" : "no"); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
116 | if (stmt->type == DAVQL_SET) { |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
117 | printf("Value list size matches: %s", |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
118 | ucx_list_size(stmt->fields) == ucx_list_size(stmt->setvalues) |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
119 | ? "yes" : "no"); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
120 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
121 | |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
122 | // WITH attributes |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
123 | if (stmt->depth == DAV_DEPTH_INFINITY) { |
85
0ab1cf261a44
improved grammar + changed depth default, type and added infinity
Mike Becker <universe@uap-core.de>
parents:
83
diff
changeset
|
124 | printf("Depth: infinity\n"); |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
125 | } else if (stmt->depth == DAV_DEPTH_PLACEHOLDER) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
126 | printf("Depth: placeholder\n"); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
127 | } else { |
85
0ab1cf261a44
improved grammar + changed depth default, type and added infinity
Mike Becker <universe@uap-core.de>
parents:
83
diff
changeset
|
128 | printf("Depth: %d\n", stmt->depth); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
129 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
130 | |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
131 | // order by clause |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
132 | printf("Order by: "); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
133 | if (stmt->orderby) { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
134 | UCX_FOREACH(crit, stmt->orderby) { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
135 | DavQLOrderCriterion *critdata = crit->data; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
136 | printf("%.*s %s%s", sfmtarg(critdata->column->srctext), |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
137 | critdata->descending ? "desc" : "asc", |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
138 | crit->next ? ", " : "\n"); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
139 | } |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
140 | } else { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
141 | printf("nothing\n"); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
142 | } |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
143 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
144 | // error messages |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
145 | if (stmt->errorcode) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
146 | printf("\nError code: %d\nError: %s\n", |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
147 | stmt->errorcode, stmt->errormessage); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
148 | } |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
149 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
150 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
151 | static int dav_debug_ql_expr_selected(DavQLExpression *expr) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
152 | if (!expr) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
153 | printf("Currently no expression selected.\n"); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
154 | return 0; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
155 | } else { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
156 | return 1; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
157 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
158 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
159 | |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
160 | static void dav_debug_ql_expr_print(DavQLExpression *expr) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
161 | if (dav_debug_ql_expr_selected(expr)) { |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
162 | sstr_t empty = ST("(empty)"); |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
163 | printf( |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
164 | "Text: %.*s\nType: %s\nOperator: %s\n" |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
165 | "Left hand: %.*s\nRight hand: %.*s\n", |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
166 | sfmtarg(expr->srctext), |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
167 | _map_exprtype(expr->type), |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
168 | _map_operator(expr->op), |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
169 | sfmtarg(expr->left?expr->left->srctext:empty), |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
170 | sfmtarg(expr->right?expr->right->srctext:empty)); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
171 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
172 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
173 | |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
174 | #define DQLD_CMD_Q 0 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
175 | #define DQLD_CMD_PS 1 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
176 | #define DQLD_CMD_PE 2 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
177 | #define DQLD_CMD_P 10 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
178 | #define DQLD_CMD_L 21 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
179 | #define DQLD_CMD_R 22 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
180 | #define DQLD_CMD_H 100 |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
181 | |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
182 | static int dav_debug_ql_command() { |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
183 | printf("> "); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
184 | |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
185 | char buffer[16]; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
186 | fgets(buffer, 16, stdin); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
187 | if (!strcmp(buffer, "q\n")) { |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
188 | return DQLD_CMD_Q; |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
189 | } else if (!strcmp(buffer, "ps\n")) { |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
190 | return DQLD_CMD_PS; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
191 | } else if (!strcmp(buffer, "pe\n")) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
192 | return DQLD_CMD_PE; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
193 | } else if (!strcmp(buffer, "l\n")) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
194 | return DQLD_CMD_L; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
195 | } else if (!strcmp(buffer, "r\n")) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
196 | return DQLD_CMD_R; |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
197 | } else if (!strcmp(buffer, "h\n")) { |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
198 | return DQLD_CMD_H; |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
199 | } else { |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
200 | return -1; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
201 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
202 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
203 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
204 | void dav_debug_statement(DavQLStatement *stmt) { |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
205 | if (!stmt) { |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
206 | fprintf(stderr, "Debug DavQLStatement failed: null pointer"); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
207 | return; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
208 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
209 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
210 | printf("Starting DavQL debugger (type 'h' for help)...\n\n"); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
211 | dav_debug_ql_stmt_print(stmt); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
212 | |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
213 | if (stmt->errorcode) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
214 | return; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
215 | } |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
216 | |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
217 | DavQLExpression *examineexpr = NULL; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
218 | |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
219 | while(1) { |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
220 | int cmd = dav_debug_ql_command(); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
221 | switch (cmd) { |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
222 | case DQLD_CMD_Q: return; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
223 | case DQLD_CMD_PS: dav_debug_ql_stmt_print(stmt); break; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
224 | case DQLD_CMD_PE: dav_debug_ql_expr_print(examineexpr); break; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
225 | case DQLD_CMD_L: |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
226 | if (dav_debug_ql_expr_selected(examineexpr)) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
227 | if (examineexpr->left) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
228 | examineexpr = examineexpr->left; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
229 | dav_debug_ql_expr_print(examineexpr); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
230 | } else { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
231 | printf("There is no left subtree.\n"); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
232 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
233 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
234 | break; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
235 | case DQLD_CMD_R: |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
236 | if (dav_debug_ql_expr_selected(examineexpr)) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
237 | if (examineexpr->right) { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
238 | examineexpr = examineexpr->right; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
239 | dav_debug_ql_expr_print(examineexpr); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
240 | } else { |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
241 | printf("There is no right subtree.\n"); |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
242 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
243 | } |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
244 | break; |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
245 | case DQLD_CMD_H: |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
246 | printf( |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
247 | "\nCommands:\n" |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
248 | "ps: print statement information\n" |
80
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
249 | "q: quit\n\n" |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
250 | "\nExpression examination:\n" |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
251 | "pe: print expression information\n" |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
252 | "l: enter left subtree\n" |
a2832c054c98
added path examination to debugger + changed field names of expression subtrees
Mike Becker <universe@uap-core.de>
parents:
79
diff
changeset
|
253 | "r: enter right subtree\n"); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
254 | break; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
255 | default: printf("unknown command\n"); |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
256 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
257 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
258 | } |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
259 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
260 | // ------------------------------------------------------------------------ |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
261 | // P A R S E R |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
262 | // ------------------------------------------------------------------------ |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
263 | |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
264 | #define _unexpected_end_msg "unexpected end of statement" |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
265 | #define _invalid_msg "invalid statement" |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
266 | #define _unexpected_token "unexpected token (%.*s [->]%.*s %.*s)" |
89
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
267 | #define _expected_token "expected token '%s' before '%.*s'" |
93
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
268 | #define _expected_by "expected 'by' after 'order' (order [->]%.*s)" |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
269 | #define _missing_fmtspec "format specifier missing (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
270 | #define _invalid_fmtspec "invalid format specifier (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
271 | #define _unknown_fmtspec "unknown format specifier (%.*s [->]%.*s %.*s)" |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
272 | #define _missing_quote "missing closing quote symbol (%.*s)" |
89
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
273 | #define _parser_state "parser reached invalid state" |
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
274 | #define _unknown_attribute "unknown attribute '%.*s'" |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
275 | #define _duplicated_attribute "duplicated attribute '%.*s'" |
89
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
276 | #define _invalid_depth "invalid depth" |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
277 | #define _invalid_path "invalid path" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
278 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
279 | #define _identifier_expected "identifier expected (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
280 | #define _idornum_expected "identifier or number expected (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
281 | #define _idorstr_expected "identifier or string expected (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
282 | #define _idorts_expected "identifier or timestamp expected (%.*s [->]%.*s %.*s)" |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
283 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
284 | #define token_sstr(listelem) ((sstr_t*)(listelem)->data) |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
285 | |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
286 | static void dav_error_in_context(int errorcode, const char *errormsg, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
287 | DavQLStatement *stmt, UcxList *token) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
288 | sstr_t emptystring = ST(""); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
289 | stmt->errorcode = errorcode; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
290 | stmt->errormessage = ucx_sprintf(errormsg, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
291 | sfmtarg(token->prev?*token_sstr(token->prev):emptystring), |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
292 | sfmtarg(*token_sstr(token)), |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
293 | sfmtarg(token->next?*token_sstr(token->next):emptystring)).ptr; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
294 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
295 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
296 | // special symbols are single tokens - the % sign MUST NOT be a special symbol |
93
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
297 | static const char *special_token_symbols = ",()+-*/&|^~=!<>"; |
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
298 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
299 | static UcxList* dav_parse_tokenize(sstr_t src) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
300 | UcxList *tokens = NULL; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
301 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
302 | sstr_t *token = NULL; |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
303 | char insequence = '\0'; |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
304 | for (size_t i = 0 ; i < src.length ; i++) { |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
305 | // quoted strings / identifiers are a single token |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
306 | if (src.ptr[i] == '\'' || src.ptr[i] == '`') { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
307 | if (src.ptr[i] == insequence) { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
308 | // add quoted token to list |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
309 | token->length++; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
310 | tokens = ucx_list_append(tokens, token); |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
311 | token = NULL; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
312 | insequence = '\0'; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
313 | } else if (insequence == '\0') { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
314 | insequence = src.ptr[i]; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
315 | // always create new token for quoted strings |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
316 | if (token) { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
317 | tokens = ucx_list_append(tokens, token); |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
318 | } |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
319 | token = malloc(sizeof(sstr_t)); |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
320 | token->ptr = src.ptr + i; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
321 | token->length = 1; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
322 | } else { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
323 | // add other kind of quotes to token |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
324 | token->length++; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
325 | } |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
326 | } else if (insequence) { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
327 | token->length++; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
328 | } else if (isspace(src.ptr[i])) { |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
329 | // add token before spaces to list (if any) |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
330 | if (token) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
331 | tokens = ucx_list_append(tokens, token); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
332 | token = NULL; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
333 | } |
93
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
334 | } else if (strchr(special_token_symbols, src.ptr[i])) { |
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
335 | // add token before special symbol to list (if any) |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
336 | if (token) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
337 | tokens = ucx_list_append(tokens, token); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
338 | token = NULL; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
339 | } |
93
2176ffbf1346
added special symbol list to tokenizer
Mike Becker <universe@uap-core.de>
parents:
92
diff
changeset
|
340 | // add special symbol as single token to list |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
341 | token = malloc(sizeof(sstr_t)); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
342 | token->ptr = src.ptr + i; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
343 | token->length = 1; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
344 | tokens = ucx_list_append(tokens, token); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
345 | // set tokenizer ready to read more tokens |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
346 | token = NULL; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
347 | } else { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
348 | // if this is a new token, create memory for it |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
349 | if (!token) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
350 | token = malloc(sizeof(sstr_t)); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
351 | token->ptr = src.ptr + i; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
352 | token->length = 0; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
353 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
354 | // extend token length when reading more bytes |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
355 | token->length++; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
356 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
357 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
358 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
359 | if (token) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
360 | tokens = ucx_list_append(tokens, token); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
361 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
362 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
363 | return tokens; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
364 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
365 | |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
366 | static DavQLExpression* dav_parse_expression( |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
367 | DavQLStatement* stmt, UcxList* starttoken, size_t n) { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
368 | if (n == 0) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
369 | return NULL; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
370 | } |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
371 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
372 | DavQLExpression *expr = calloc(1, sizeof(DavQLExpression)); |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
373 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
374 | // set pointer for source text |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
375 | expr->srctext.ptr = token_sstr(starttoken)->ptr; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
376 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
377 | // special case - only one token |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
378 | if (n == 1) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
379 | expr->srctext.length = token_sstr(starttoken)->length; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
380 | char firstchar = expr->srctext.ptr[0]; |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
381 | char lastchar = expr->srctext.ptr[expr->srctext.length-1]; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
382 | if (firstchar == '\'') { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
383 | expr->type = DAVQL_STRING; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
384 | } else if (isdigit(firstchar)) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
385 | expr->type = DAVQL_NUMBER; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
386 | } else if (firstchar == '%') { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
387 | if (expr->srctext.length == 1) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
388 | dav_error_in_context(DAVQL_ERROR_MISSING_FMTSPEC, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
389 | _missing_fmtspec, stmt, starttoken); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
390 | } else if (expr->srctext.length == 2) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
391 | switch (expr->srctext.ptr[1]) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
392 | case 'd': expr->type = DAVQL_NUMBER; break; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
393 | case 's': expr->type = DAVQL_STRING; break; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
394 | case 't': expr->type = DAVQL_TIMESTAMP; break; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
395 | default: |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
396 | dav_error_in_context(DAVQL_ERROR_UNKNOWN_FMTSPEC, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
397 | _unknown_fmtspec, stmt, starttoken); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
398 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
399 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
400 | dav_error_in_context(DAVQL_ERROR_INVALID_FMTSPEC, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
401 | _invalid_fmtspec, stmt, starttoken); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
402 | } |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
403 | } else { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
404 | expr->type = DAVQL_IDENTIFIER; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
405 | } |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
406 | // remove quotes (if any) |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
407 | if (firstchar == '\'' || firstchar == '`') { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
408 | if (lastchar != firstchar) { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
409 | stmt->errorcode = DAVQL_ERROR_MISSING_QUOTE; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
410 | stmt->errormessage = |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
411 | ucx_sprintf(_missing_quote, sfmtarg(expr->srctext)).ptr; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
412 | } |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
413 | expr->srctext.ptr++; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
414 | if (expr->srctext.length > 2) { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
415 | expr->srctext.length -= 2; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
416 | } else { |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
417 | expr->srctext.length = 0; |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
418 | } |
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
419 | } |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
420 | } else { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
421 | UcxList* token = starttoken; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
422 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
423 | // check, if first token is ( |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
424 | // if so, verify that last token is ) and throw both away |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
425 | if (!sstrcmp(*token_sstr(token), S("("))) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
426 | if (!sstrcmp(*token_sstr(ucx_list_get(token, n-1)), S(")"))) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
427 | token = token->next; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
428 | n -= 2; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
429 | } else { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
430 | // TODO: throw syntax error |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
431 | } |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
432 | } |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
433 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
434 | // process tokens |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
435 | for (size_t i = 0 ; i < n ; i++) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
436 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
437 | // TODO: make it so |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
438 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
439 | // go to next token (if this is not the last token) |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
440 | if (i < n-1) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
441 | token = token->next; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
442 | } |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
443 | } |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
444 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
445 | // compute length of source text (including delimiters) |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
446 | expr->srctext.length = token_sstr(token)->ptr + |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
447 | token_sstr(token)->length - expr->srctext.ptr; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
448 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
449 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
450 | return expr; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
451 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
452 | |
87
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
453 | static void dav_free_expression(DavQLExpression *expr) { |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
454 | if (expr->left) { |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
455 | dav_free_expression(expr->left); |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
456 | } |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
457 | if (expr->right) { |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
458 | dav_free_expression(expr->right); |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
459 | } |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
460 | free(expr); |
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
461 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
462 | |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
463 | #define _step_fieldlist_ 10 // field list |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
464 | #define _step_FROM_ 20 // FROM clause |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
465 | #define _step_WITH_ 30 // WITH clause |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
466 | #define _step_WHERE_ 40 // WHERE clause |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
467 | #define _step_ORDER_BYopt_ 552 // expecting more ORDER BY details or end |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
468 | #define _step_ORDER_BY_ 50 // ORDER BY clause |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
469 | #define _step_end_ 500 // expect end |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
470 | |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
471 | static int dav_parse_from(DavQLStatement *stmt, UcxList *token) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
472 | sstr_t tokendata = *token_sstr(token); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
473 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
474 | if (!sstrcasecmp(tokendata, S("with"))) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
475 | return _step_WITH_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
476 | } else if (!sstrcasecmp(tokendata, S("where"))) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
477 | return _step_WHERE_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
478 | } else if (!sstrcasecmp(tokendata, S("order"))) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
479 | return _step_ORDER_BY_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
480 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
481 | if (stmt->path.ptr) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
482 | if (stmt->path.ptr[0] == '/') { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
483 | char *end = tokendata.ptr+tokendata.length; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
484 | stmt->path.length = end - stmt->path.ptr; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
485 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
486 | stmt->errorcode = DAVQL_ERROR_INVALID_PATH; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
487 | stmt->errormessage = strdup(_invalid_path); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
488 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
489 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
490 | if (tokendata.ptr[0] == '/' || !sstrcmp(tokendata, S("%s"))) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
491 | stmt->path = tokendata; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
492 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
493 | stmt->errorcode = DAVQL_ERROR_INVALID_PATH; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
494 | stmt->errormessage = strdup(_invalid_path); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
495 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
496 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
497 | return _step_FROM_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
498 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
499 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
500 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
501 | struct with_parser_state { |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
502 | /* |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
503 | * 0: key |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
504 | * 1: = |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
505 | * 2: value |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
506 | * 3: comma or new clause |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
507 | */ |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
508 | int step; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
509 | /* |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
510 | * 1: depth |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
511 | */ |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
512 | int key; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
513 | int keymask; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
514 | }; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
515 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
516 | static int dav_parse_with_clause(DavQLStatement *stmt, UcxList *token, |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
517 | struct with_parser_state *state) { |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
518 | sstr_t tokendata = *token_sstr(token); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
519 | |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
520 | switch (state->step) { |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
521 | case 0: |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
522 | if (!sstrcasecmp(tokendata, S("depth"))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
523 | state->key = 1; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
524 | state->step = 1; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
525 | } else { |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
526 | stmt->errorcode = DAVQL_ERROR_UNKNOWN_ATTRIBUTE; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
527 | stmt->errormessage = ucx_sprintf(_unknown_attribute, |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
528 | sfmtarg(tokendata)).ptr; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
529 | break; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
530 | } |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
531 | if (state->keymask & state->key) { |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
532 | stmt->errorcode = DAVQL_ERROR_DUPLICATED_ATTRIBUTE; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
533 | stmt->errormessage = ucx_sprintf(_duplicated_attribute, |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
534 | sfmtarg(tokendata)).ptr; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
535 | } else { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
536 | state->keymask |= state->key; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
537 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
538 | return _step_WITH_; // continue parsing WITH clause |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
539 | case 1: |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
540 | if (sstrcmp(tokendata, S("="))) { |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
541 | stmt->errorcode = DAVQL_ERROR_UNEXPECTED_TOKEN; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
542 | stmt->errormessage = ucx_sprintf(_expected_token, |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
543 | "=", sfmtarg(tokendata)).ptr; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
544 | } else { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
545 | state->step = 2; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
546 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
547 | return _step_WITH_; // continue parsing WITH clause |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
548 | case 2: |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
549 | switch (state->key) { |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
550 | case 1: /* depth */ |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
551 | if (!sstrcasecmp(tokendata, S("infinity"))) { |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
552 | stmt->depth = DAV_DEPTH_INFINITY; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
553 | } else { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
554 | DavQLExpression *depthexpr = |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
555 | dav_parse_expression(stmt, token, 1); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
556 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
557 | if (depthexpr->type == DAVQL_NUMBER) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
558 | if (depthexpr->srctext.ptr[0] == '%') { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
559 | stmt->depth = DAV_DEPTH_PLACEHOLDER; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
560 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
561 | sstr_t depthstr = depthexpr->srctext; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
562 | char *conv = malloc(depthstr.length+1); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
563 | char *chk; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
564 | memcpy(conv, depthstr.ptr, depthstr.length); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
565 | conv[depthstr.length] = '\0'; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
566 | stmt->depth = strtol(conv, &chk, 10); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
567 | if (*chk || stmt->depth < -1) { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
568 | stmt->errorcode = DAVQL_ERROR_INVALID_DEPTH; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
569 | stmt->errormessage = strdup(_invalid_depth); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
570 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
571 | free(conv); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
572 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
573 | } else { |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
574 | stmt->errorcode = DAVQL_ERROR_INVALID_DEPTH; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
575 | stmt->errormessage = strdup(_invalid_depth); |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
576 | } |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
577 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
578 | dav_free_expression(depthexpr); |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
579 | } |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
580 | break; |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
581 | } |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
582 | state->step = 3; |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
583 | return _step_WITH_; // continue parsing WITH clause |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
584 | case 3: |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
585 | // a with clause may be continued with a comma |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
586 | // or another clause may follow |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
587 | if (!sstrcmp(tokendata, S(","))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
588 | state->step = 0; // reset clause parser |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
589 | return _step_WITH_; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
590 | } else if (!sstrcasecmp(tokendata, S("where"))) { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
591 | return _step_WHERE_; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
592 | } else if (!sstrcasecmp(tokendata, S("order"))) { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
593 | return _step_ORDER_BY_; |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
594 | } else { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
595 | dav_error_in_context(DAVQL_ERROR_UNEXPECTED_TOKEN, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
596 | _unexpected_token, stmt, token); |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
597 | return 0; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
598 | } |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
599 | default: |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
600 | stmt->errorcode = DAVQL_ERROR_INVALID; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
601 | stmt->errormessage = strdup(_parser_state); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
602 | return 0; |
90
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
603 | } |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
604 | } |
46971430650b
parser for with-clause ready to parse more attributes, but marks duplicated attributes as error
Mike Becker <universe@uap-core.de>
parents:
89
diff
changeset
|
605 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
606 | struct orderby_parser_state { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
607 | /* |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
608 | * 0: expect by keyword |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
609 | * 1: expect identifier / number |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
610 | * 2: expect asc / desc or comma |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
611 | * 3: expect comma |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
612 | */ |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
613 | int step; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
614 | DavQLOrderCriterion *crit; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
615 | }; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
616 | |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
617 | static int dav_parse_orderby_clause(DavQLStatement *stmt, UcxList *token, |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
618 | struct orderby_parser_state *state) { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
619 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
620 | sstr_t tokendata = *token_sstr(token); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
621 | |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
622 | switch (state->step) { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
623 | case 0: |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
624 | if (!sstrcasecmp(tokendata, S("by"))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
625 | state->step++; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
626 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
627 | stmt->errorcode = DAVQL_ERROR_UNEXPECTED_TOKEN; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
628 | stmt->errormessage = ucx_sprintf(_expected_by, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
629 | sfmtarg(tokendata)).ptr; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
630 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
631 | return _step_ORDER_BY_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
632 | case 1: |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
633 | state->crit = malloc(sizeof(DavQLOrderCriterion)); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
634 | state->crit->column = dav_parse_expression(stmt, token, 1); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
635 | state->crit->descending = 0; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
636 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
637 | if (!state->crit->column || ( |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
638 | state->crit->column->type != DAVQL_NUMBER && |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
639 | state->crit->column->type != DAVQL_IDENTIFIER)) { |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
640 | free(state->crit); |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
641 | dav_error_in_context(DAVQL_ERROR_IDORNUM_EXPECTED, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
642 | _idornum_expected, stmt, token); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
643 | } else { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
644 | stmt->orderby = ucx_list_append(stmt->orderby, state->crit); |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
645 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
646 | |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
647 | // continue parsing clause, if more tokens available |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
648 | state->step++; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
649 | return _step_ORDER_BYopt_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
650 | case 2: |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
651 | if (!sstrcasecmp(tokendata, S("desc"))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
652 | state->crit->descending = 1; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
653 | } else if (!sstrcasecmp(tokendata, S("asc"))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
654 | state->crit->descending = 0; |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
655 | } else if (!sstrcmp(tokendata, S(","))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
656 | state->step = 1; // reset clause parser |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
657 | return _step_ORDER_BY_; // statement must not end now |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
658 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
659 | dav_error_in_context(DAVQL_ERROR_UNEXPECTED_TOKEN, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
660 | _unexpected_token, stmt, token); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
661 | return 0; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
662 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
663 | // continue parsing clause, if more tokens available |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
664 | state++; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
665 | return _step_ORDER_BYopt_; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
666 | case 3: |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
667 | if (!sstrcmp(tokendata, S(","))) { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
668 | state->step = 1; // reset clause parser |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
669 | return _step_ORDER_BY_; // statement must not end now |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
670 | } else { |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
671 | dav_error_in_context(DAVQL_ERROR_UNEXPECTED_TOKEN, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
672 | _unexpected_token, stmt, token); |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
673 | return 0; |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
674 | } |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
675 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
676 | |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
677 | return _step_end_; |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
678 | } |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
679 | |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
680 | static void dav_free_order_criterion(DavQLOrderCriterion *crit) { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
681 | if (crit->column) { // do it null-safe though column is expected to be set |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
682 | dav_free_expression(crit->column); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
683 | } |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
684 | free(crit); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
685 | } |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
686 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
687 | static void dav_parse_get_statement(DavQLStatement *stmt, UcxList *tokens) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
688 | stmt->type = DAVQL_GET; |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
689 | |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
690 | int step = _step_fieldlist_; |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
691 | |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
692 | struct with_parser_state state_with; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
693 | memset(&state_with, 0, sizeof(struct with_parser_state)); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
694 | struct orderby_parser_state state_orderby; |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
695 | memset(&state_orderby, 0, sizeof(struct orderby_parser_state)); |
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
696 | |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
697 | // Variables for token sublists for expressions |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
698 | // TODO: this is deprecated and won't work with function calls |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
699 | UcxList *exprstart = NULL; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
700 | size_t exprlen = 0; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
701 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
702 | // Process tokens |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
703 | UCX_FOREACH(token, tokens) { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
704 | sstr_t tokendata = *token_sstr(token); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
705 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
706 | switch (step) { |
89
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
707 | // too much input data |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
708 | case _step_end_: |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
709 | dav_error_in_context(DAVQL_ERROR_UNEXPECTED_TOKEN, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
710 | _unexpected_token, stmt, token); |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
711 | break; |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
712 | // field list |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
713 | case _step_fieldlist_: { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
714 | _Bool fromkeyword = !sstrcasecmp(tokendata, S("from")); |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
715 | if (fromkeyword || !sstrcmp(tokendata, S(","))) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
716 | if (exprstart) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
717 | stmt->fields = ucx_list_append(stmt->fields, |
88
4d6b03bd7034
tokenizer now correctly handles quoted tokens
Mike Becker <universe@uap-core.de>
parents:
87
diff
changeset
|
718 | dav_parse_expression(stmt, exprstart, exprlen)); |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
719 | exprstart = NULL; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
720 | exprlen = 0; |
94 | 721 | |
722 | if (fromkeyword) { | |
723 | step = _step_FROM_; | |
724 | } | |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
725 | } else { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
726 | dav_error_in_context(DAVQL_ERROR_UNEXPECTED_TOKEN, |
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
727 | _unexpected_token, stmt, token); |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
728 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
729 | } else { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
730 | // collect tokens for field expression |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
731 | if (exprstart) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
732 | exprlen++; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
733 | } else { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
734 | exprstart = token; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
735 | exprlen = 1; |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
736 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
737 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
738 | break; |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
739 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
740 | // from clause |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
741 | case _step_FROM_: { |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
742 | step = dav_parse_from(stmt, token); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
743 | break; |
87
ed21d95984bb
removed DavQLExpression type for path (since it always is an identifier)
Mike Becker <universe@uap-core.de>
parents:
86
diff
changeset
|
744 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
745 | // with clause |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
746 | case _step_WITH_: { |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
747 | step = dav_parse_with_clause(stmt, token, &state_with); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
748 | break; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
749 | } |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
750 | // where clause |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
751 | case _step_WHERE_: |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
752 | // TODO: implement |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
753 | step = _step_end_; |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
754 | break; |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
755 | // order by clause |
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
756 | case _step_ORDER_BY_: |
96
896022673e0e
special path parser + typed literals + order by parser + grammar changes
Mike Becker <universe@uap-core.de>
parents:
95
diff
changeset
|
757 | case _step_ORDER_BYopt_: |
97
f82cb65a78ec
fixed static variable fail
Mike Becker <universe@uap-core.de>
parents:
96
diff
changeset
|
758 | step = dav_parse_orderby_clause(stmt, token, &state_orderby); |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
759 | break; |
89
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
760 | default: |
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
761 | stmt->errorcode = DAVQL_ERROR_INVALID; |
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
762 | stmt->errormessage = strdup(_parser_state); |
785f6007a0c1
parser for with clause + unexpected token message, if something is beyond the with clause
Mike Becker <universe@uap-core.de>
parents:
88
diff
changeset
|
763 | } |
94 | 764 | |
765 | // cancel processing, when an error has been detected | |
766 | if (stmt->errorcode) { | |
767 | break; | |
768 | } | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
769 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
770 | |
92
e073cf4afc6a
added order by clause to grammar + moved with clause right after the from clause
Mike Becker <universe@uap-core.de>
parents:
91
diff
changeset
|
771 | if (!stmt->errorcode && step < _step_end_) { |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
772 | stmt->errorcode = DAVQL_ERROR_UNEXPECTED_END; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
773 | stmt->errormessage = strdup(_unexpected_end_msg); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
774 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
775 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
776 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
777 | static void dav_parse_set_statement(DavQLStatement *stmt, UcxList *tokens) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
778 | stmt->type = DAVQL_SET; |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
779 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
780 | UCX_FOREACH(token, tokens) { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
781 | sstr_t tokendata = *token_sstr(token); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
782 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
783 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
784 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
785 | |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
786 | DavQLStatement* dav_parse_statement(sstr_t srctext) { |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
787 | DavQLStatement *stmt = calloc(1, sizeof(DavQLStatement)); |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
788 | |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
789 | // default values |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
790 | stmt->type = -1; |
85
0ab1cf261a44
improved grammar + changed depth default, type and added infinity
Mike Becker <universe@uap-core.de>
parents:
83
diff
changeset
|
791 | stmt->depth = 1; |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
792 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
793 | // save trimmed source text |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
794 | stmt->srctext = sstrtrim(srctext); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
795 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
796 | // tokenization |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
797 | UcxList* tokens = dav_parse_tokenize(stmt->srctext); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
798 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
799 | if (tokens) { |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
800 | // use first token to determine query type |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
801 | sstr_t token = *token_sstr(tokens); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
802 | free(tokens->data); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
803 | tokens = ucx_list_remove(tokens, tokens); |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
804 | |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
805 | if (!sstrcasecmp(token, S("get"))) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
806 | dav_parse_get_statement(stmt, tokens); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
807 | } else if (!sstrcasecmp(token, S("set"))) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
808 | dav_parse_set_statement(stmt, tokens); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
809 | } else { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
810 | stmt->type = DAVQL_ERROR; |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
811 | stmt->errorcode = DAVQL_ERROR_INVALID; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
812 | stmt->errormessage = strdup(_invalid_msg); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
813 | } |
83
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
814 | |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
815 | // free token data |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
816 | UCX_FOREACH(token, tokens) { |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
817 | free(token->data); |
7d20ce5d235b
improved expression parser (can now detect literals and identifiers) - TODO: tokenizer must not split strings and "backstick-identifiers"
Mike Becker <universe@uap-core.de>
parents:
82
diff
changeset
|
818 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
819 | ucx_list_free(tokens); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
820 | } else { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
821 | stmt->type = DAVQL_ERROR; |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
822 | stmt->errorcode = DAVQL_ERROR_INVALID; |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
823 | stmt->errormessage = strdup(_invalid_msg); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
824 | } |
79
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
825 | |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
826 | return stmt; |
59c518ae0641
added parse function prototype + started writing a debugger
Mike Becker <universe@uap-core.de>
parents:
76
diff
changeset
|
827 | } |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
828 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
829 | void dav_free_statement(DavQLStatement *stmt) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
830 | UCX_FOREACH(expr, stmt->fields) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
831 | dav_free_expression(expr->data); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
832 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
833 | ucx_list_free(stmt->fields); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
834 | UCX_FOREACH(expr, stmt->setvalues) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
835 | dav_free_expression(expr->data); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
836 | } |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
837 | ucx_list_free(stmt->setvalues); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
838 | |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
839 | if (stmt->where) { |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
840 | dav_free_expression(stmt->where); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
841 | } |
86
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
842 | if (stmt->errormessage) { |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
843 | free(stmt->errormessage); |
ecba8bdf9741
davql: error handling + minor grammar changes
Mike Becker <universe@uap-core.de>
parents:
85
diff
changeset
|
844 | } |
95
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
845 | UCX_FOREACH(crit, stmt->orderby) { |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
846 | dav_free_order_criterion(crit->data); |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
847 | } |
8ed7d8df6427
simplified with clause parsing + added order by to data structure and debugger (TODO: implement)
Mike Becker <universe@uap-core.de>
parents:
94
diff
changeset
|
848 | ucx_list_free(stmt->orderby); |
82
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
849 | free(stmt); |
0567444f2d76
renamed some enums to avoid collisions with macros + minor grammar change (backsticks for identifiers) + tokenizer + parser skeleton
Mike Becker <universe@uap-core.de>
parents:
80
diff
changeset
|
850 | } |