mirror of
https://git.code.sf.net/p/quake/quakeforge
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220 lines
6.5 KiB
C
220 lines
6.5 KiB
C
/*
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rua-lang.h
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Shared data stuctures for lexing and parsing.
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Copyright (C) 2023 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __rua_lang_h
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#define __rua_lang_h
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#include <stdio.h>
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#include "QF/dstring.h"
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#include "specifier.h"
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typedef struct keyword_s {
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const char *name;
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int value;
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bool use_name;
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specifier_t spec;
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} keyword_t;
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typedef struct directive_s {
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const char *name;
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int value;
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} directive_t;
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typedef struct rua_loc_s {
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int line, column;
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int last_line, last_column;
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int file;
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} rua_loc_t;
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#define RUA_LOC_DEFAULT(Current, Rhs, N) \
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do if (N) { \
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(Current).line = YYRHSLOC (Rhs, 1).line; \
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(Current).column = YYRHSLOC (Rhs, 1).column; \
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(Current).last_line = YYRHSLOC (Rhs, N).last_line; \
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(Current).last_column = YYRHSLOC (Rhs, N).last_column; \
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(Current).file = YYRHSLOC (Rhs, N).file; \
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} else { \
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(Current).line = (Current).last_line = \
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YYRHSLOC (Rhs, 0).last_line; \
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(Current).column = (Current).last_column = \
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YYRHSLOC (Rhs, 0).last_column; \
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(Current).file = YYRHSLOC (Rhs, 0).file; \
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} while (0)
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typedef struct expr_s expr_t;
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typedef struct symbol_s symbol_t;
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typedef struct symtab_s symtab_t;
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typedef struct function_s function_t;
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typedef struct rua_tok_s {
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struct rua_tok_s *next;
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rua_loc_t location;
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int textlen;
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int token;
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const char *text;
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} rua_tok_t;
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typedef struct {
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symtab_t *symtab;
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function_t *function;
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} funcstate_t;
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typedef union rua_val_s {
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int op;
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unsigned size;
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specifier_t spec;
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void *pointer; // for ensuring pointer values are null
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const char *string;
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funcstate_t funcstate;
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const struct type_s *type;
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const struct expr_s *expr;
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struct expr_s *mut_expr;
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struct element_s *element;
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struct function_s *function;
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struct switch_block_s *switch_block;
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struct param_s *param;
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struct method_s *method;
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struct class_s *class;
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struct category_s *category;
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struct class_type_s *class_type;
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struct protocol_s *protocol;
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struct protocollist_s *protocol_list;
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struct keywordarg_s *keywordarg;
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struct methodlist_s *methodlist;
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struct symbol_s *symbol;
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struct symtab_s *symtab;
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struct attribute_s *attribute;
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struct designator_s *designator;
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struct glsl_block_s *block;
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} rua_val_t;
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#include "tools/qfcc/source/qc-parse.h"
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#include "tools/qfcc/source/glsl-parse.h"
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typedef struct rua_macro_s rua_macro_t;
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typedef void (*rua_macro_f) (rua_macro_t *macro, void *scanner);
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typedef struct rua_macro_s {
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rua_macro_t *next;
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const char *name;
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symtab_t *params;
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rua_tok_t *tokens;
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rua_tok_t **tail;
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int num_tokens;
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int num_params;
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rua_tok_t *cursor;
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rua_macro_f update;
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int num_args;
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rua_macro_t **args;
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} rua_macro_t;
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typedef struct rua_preval_s {
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rua_tok_t t;
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union {
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const expr_t *expr;
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dstring_t *dstr;
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rua_macro_t *macro;
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};
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} rua_preval_t;
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rua_macro_t *rua_start_macro (const char *name, bool params, void *scanner);
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rua_macro_t *rua_macro_param (rua_macro_t *macro, const rua_tok_t *token,
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void *scanner);
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rua_macro_t *rua_end_params (rua_macro_t *macro, void *scanner);
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rua_macro_t *rua_macro_append (rua_macro_t *macro, const rua_tok_t *token,
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void *scanner);
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void rua_macro_finish (rua_macro_t *macro, void *scanner);
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rua_macro_t *rua_macro_arg (const rua_tok_t *token, void *scanner);
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void rua_start_pragma (void *scanner);
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void rua_start_text (void *scanner);
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void rua_start_expr (void *scanner);
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void rua_start_include (void *scanner);
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void rua_expand_on (void *scanner);
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void rua_expand_off (void *scanner);
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void rua_end_directive (void *scanner);
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void rua_start_if (bool expand, void *scanner);
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void rua_start_else (bool expand, void *scanner);
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void rua_if (bool pass, void *scanner);
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void rua_else (bool pass, const char *tok, void *scanner);
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void rua_endif (void *scanner);
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bool rua_defined (const char *sym, void *scanner);
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void rua_undefine (const char *sym, void *scanner);
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void rua_include_file (const char *name, void *scanner);
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void rua_embed_file (const char *name, void *scanner);
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int rua_parse_define (const char *def);
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void rua_line_info (const expr_t *line_expr, const char *text,
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const expr_t *flags_epxr, void *scanner);
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void rua_macro_file (rua_macro_t *macro, void *scanner);
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void rua_macro_line (rua_macro_t *macro, void *scanner);
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void rua_macro_va_opt (rua_macro_t *macro, void *scanner);
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void rua_macro_va_args (rua_macro_t *macro, void *scanner);
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void rua_print_location (FILE *out, const rua_loc_t *loc);
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#include "tools/qfcc/source/pre-parse.h"
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typedef struct rua_parser_s {
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int (*parse) (rua_yypstate *state, int token,
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const rua_val_t *val, rua_loc_t *loc, void *scanner);
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rua_yypstate *state;
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directive_t *(*directive) (const char *token);
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int (*keyword_or_id) (rua_val_t *lval, const char *token);
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} rua_parser_t;
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int rua_parse (FILE *in, rua_parser_t *parser);
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int rua_parse_string (const char *str, rua_parser_t *parser);
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const char *rua_directive_get_key (const void *dir, void *unused) __attribute__((pure));
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const char *rua_keyword_get_key (const void *dir, void *unused) __attribute__((pure));
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typedef struct language_s {
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bool initialized;
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bool always_override;
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void (*init) (void);
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int (*parse) (FILE *in);
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int (*finish) (const char *file);
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void (*extension) (const char *name, const char *value, void *scanner);
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void (*version) (int version, const char *profile);
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bool (*on_include) (const char *name);
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void (*parse_declaration) (specifier_t spec, symbol_t *sym,
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const expr_t *init, symtab_t *symtab,
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expr_t *block);
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void *sublanguage;
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} language_t;
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extern language_t current_language;
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extern language_t lang_ruamoko;
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extern language_t lang_pascal;
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int qc_parse_string (const char *str);
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#endif//__rua_lang_h
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