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https://github.com/DarkPlacesEngine/gmqcc.git
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115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
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* Copyright (C) 2012, 2013
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* Wolfgang Bumiller
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* Dale Weiler
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#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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typedef struct {
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struct parser_s *parser;
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ast_value **imm_float; /* vector<ast_value*> */
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ast_value **imm_vector; /* vector<ast_value*> */
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ast_value **imm_string; /* vector<ast_value*> */
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hash_table_t *imm_string_untranslate; /* map<string, ast_value*> */
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hash_table_t *imm_string_dotranslate; /* map<string, ast_value*> */
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} fold_t;
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#define parser_ctx(p) ((p)->lex->tok.ctx)
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typedef struct parser_s {
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lex_file *lex;
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int tok;
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bool ast_cleaned;
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ast_expression **globals;
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ast_expression **fields;
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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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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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ast_label **labels;
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ast_goto **gotos;
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const char **breaks;
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const char **continues;
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/* A list of hashtables for each scope */
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ht *variables;
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ht htfields;
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ht htglobals;
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ht *typedefs;
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/* same as above but for the spelling corrector */
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correct_trie_t **correct_variables;
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size_t ***correct_variables_score; /* vector of vector of size_t* */
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/* not to be used directly, we use the hash table */
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ast_expression **_locals;
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size_t *_blocklocals;
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ast_value **_typedefs;
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size_t *_blocktypedefs;
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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_t *fold;
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} parser_t;
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char *parser_strdup(const char *str);
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/* fold.c */
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fold_t *fold_init (parser_t *);
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void fold_cleanup (fold_t *);
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ast_expression *fold_constgen_float (fold_t *, qcfloat_t);
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ast_expression *fold_constgen_vector(fold_t *, vec3_t);
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ast_expression *fold_constgen_string(fold_t *, const char *, bool);
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bool fold_generate (fold_t *, ir_builder *);
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ast_expression *fold_op (fold_t *, const oper_info *, ast_expression**);
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#endif
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