1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright 2016 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WASM_PARSER_LEXER_SHARED_H_
#define WASM_PARSER_LEXER_SHARED_H_
#include <stdarg.h>
#include <stdio.h>
#include "wasm-ast.h"
#include "wasm-common.h"
#include "wasm-lexer.h"
#define WASM_PARSER_STYPE WasmToken
#define WASM_PARSER_LTYPE WasmLocation
#define YYSTYPE WASM_PARSER_STYPE
#define YYLTYPE WASM_PARSER_LTYPE
#define WASM_INVALID_LINE_OFFSET ((size_t)~0)
struct WasmAllocator;
typedef union WasmToken {
/* terminals */
WasmStringSlice text;
WasmType type;
WasmOpcode opcode;
WasmLiteral literal;
/* non-terminals */
/* some of these use pointers to keep the size of WasmToken down; copying the
tokens is a hotspot when parsing large files. */
uint32_t u32;
uint64_t u64;
WasmTypeVector types;
WasmVar var;
WasmVarVector vars;
WasmExprPtr expr;
WasmExprPtrVector exprs;
WasmTypeBindings type_bindings;
WasmFuncField* func_fields;
WasmFunc* func;
WasmSegment segment;
WasmSegmentVector segments;
WasmMemory memory;
WasmFuncSignature func_sig;
WasmFuncType func_type;
WasmImport* import;
WasmExport export_;
WasmExportMemory export_memory;
WasmModule* module;
WasmConst const_;
WasmConstVector consts;
WasmCommand* command;
WasmCommandVector commands;
WasmScript script;
} WasmToken;
typedef struct WasmParser {
struct WasmAllocator* allocator;
WasmScript script;
int errors;
} WasmParser;
WASM_EXTERN_C_BEGIN
struct WasmAllocator* wasm_lexer_get_allocator(WasmLexer lexer);
FILE* wasm_lexer_get_file(WasmLexer);
size_t wasm_lexer_get_file_offset_from_line(WasmLexer, int line);
int wasm_lexer_lex(union WasmToken*,
struct WasmLocation*,
WasmLexer,
struct WasmParser*);
void wasm_parser_error(struct WasmLocation*,
WasmLexer,
struct WasmParser*,
const char*,
...);
void wasm_vfprint_error(FILE*,
const struct WasmLocation*,
WasmLexer,
const char*,
va_list);
WASM_EXTERN_C_END
#endif /* WASM_PARSER_LEXER_SHARED_H_ */
|
