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https://github.com/DarkPlacesEngine/gmqcc.git
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047ecd426f
we initialized the parser with malloc -> memset to zero -> placement new. With gcc the latter caused the memset to be optimized out, causing uninitialized value accesses.
84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
#ifndef GMQCC_PARSER_HDR
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#define GMQCC_PARSER_HDR
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#include "gmqcc.h"
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#include "lexer.h"
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#include "ast.h"
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#include "intrin.h"
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#include "fold.h"
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struct parser_t;
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#define parser_ctx(p) ((p)->lex->tok.ctx)
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struct parser_t {
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parser_t();
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~parser_t();
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void remove_ast();
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lex_file *lex;
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int tok;
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bool ast_cleaned;
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std::vector<ast_expression *> globals;
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std::vector<ast_expression *> fields;
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std::vector<ast_function *> functions;
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size_t translated;
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/* must be deleted first, they reference immediates and values */
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std::vector<ast_value *> accessors;
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ast_value *nil;
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ast_value *reserved_version;
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size_t crc_globals;
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size_t crc_fields;
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ast_function *function;
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ht aliases;
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/* All the labels the function defined...
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* Should they be in ast_function instead?
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*/
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std::vector<ast_label*> labels;
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std::vector<ast_goto*> gotos;
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std::vector<const char *> breaks;
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std::vector<const char *> continues;
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/* A list of hashtables for each scope */
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std::vector<ht> variables;
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ht htfields;
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ht htglobals;
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std::vector<ht> typedefs;
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/* not to be used directly, we use the hash table */
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std::vector<ast_expression*> _locals;
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std::vector<size_t> _blocklocals;
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std::vector<std::unique_ptr<ast_value>> _typedefs;
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std::vector<size_t> _blocktypedefs;
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std::vector<lex_ctx_t> _block_ctx;
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/* we store the '=' operator info */
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const oper_info *assign_op;
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/* magic values */
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ast_value *const_vec[3];
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/* pragma flags */
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bool noref;
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/* collected information */
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size_t max_param_count;
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fold m_fold;
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intrin m_intrin;
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};
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/* parser.c */
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char *parser_strdup (const char *str);
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ast_expression *parser_find_global(parser_t *parser, const char *name);
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#endif
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