+++ /dev/null
-/*
- * Copyright (C) 2012
- * Dale Weiler
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "gmqcc.h"
-
-/*
- * Keywords are multichar, punctuation lexing is a bit more complicated
- * than keyword lexing.
- */
-static const char *const lex_keywords[] = {
- "do", "else", "if", "while",
- "break", "continue", "return", "goto",
- "for", "typedef"
-};
-
-void lex_init(const char *file, lex_file **set) {
- lex_file *lex = mem_a(sizeof(lex_file));
- if (!lex)
- return;
-
- lex->file = fopen(file, "r");
- if (!lex->file) {
- mem_d(lex);
- return;
- }
-
- fseek(lex->file, 0, SEEK_END);
- lex->length = ftell(lex->file);
- lex->size = lex->length; /* copy, this is never changed */
- fseek(lex->file, 0, SEEK_SET);
- lex->last = 0;
- lex->line = 1;
-
- memset(lex->peek, 0, sizeof(lex->peek));
- *set = lex;
-}
-
-void lex_close(lex_file *file) {
- if (!file) return;
-
- fclose(file->file); /* may already be closed */
- mem_d (file);
-}
-
-static void lex_addch(int ch, lex_file *file) {
- if (file->current < sizeof(file->lastok)-1)
- file->lastok[file->current++] = (char)ch;
- if (file->current == sizeof(file->lastok)-1)
- file->lastok[file->current] = (char)'\0';
-}
-static GMQCC_INLINE void lex_clear(lex_file *file) {
- file->current = 0;
-}
-
-/*
- * read in inget/unget character from a lexer stream.
- * This doesn't play with file streams, the lexer has
- * it's own internal state for this.
- */
-static int lex_inget(lex_file *file) {
- char get;
- file->length --;
-
- if (file->last > 0) {
- if ((get = file->peek[--file->last]) == '\n')
- file->line ++;
- return get;
- }
- if ((get = fgetc(file->file)) == '\n')
- file->line++;
-
- return get;
-}
-static void lex_unget(int ch, lex_file *file) {
- if (file->last < sizeof(file->peek)) {
- if (ch == '\n')
- file->line --;
- file->peek[file->last++] = ch;
- }
- file->length ++;
-}
-
-/*
- * This is trigraph and digraph support, a feature not qc compiler
- * supports. Moving up in this world!
- */
-static int lex_trigraph(lex_file *file) {
- int ch;
- if ((ch = lex_inget(file)) != '?') {
- lex_unget(ch, file);
- return '?';
- }
-
- ch = lex_inget(file);
- switch (ch) {
- case '(' : return '[' ;
- case ')' : return ']' ;
- case '/' : return '\\';
- case '\'': return '^' ;
- case '<' : return '{' ;
- case '>' : return '}' ;
- case '!' : return '|' ;
- case '-' : return '~' ;
- case '=' : return '#' ;
- default:
- lex_unget('?', file);
- lex_unget(ch , file);
- }
- return '?';
-}
-static int lex_digraph(lex_file *file, int first) {
- int ch = lex_inget(file);
- switch (first) {
- case '<':
- if (ch == '%') return '{';
- if (ch == ':') return '[';
- break;
- case '%':
- if (ch == '>') return '}';
- if (ch == ':') return '#';
- break;
- case ':':
- if (ch == '>') return ']';
- break;
- }
-
- lex_unget(ch, file);
- return first;
-}
-
-static int lex_getch(lex_file *file) {
- int ch = lex_inget(file);
- if (ch == '?')
- return lex_trigraph(file);
- if (ch == '<' || ch == ':' || ch == '%')
- return lex_digraph(file, ch);
- return ch;
-}
-
-static int lex_get(lex_file *file) {
- int ch;
- if (!isspace(ch = lex_getch(file)))
- return ch;
-
- /* skip over all spaces */
- while (isspace(ch) && ch != '\n')
- ch = lex_getch(file);
-
- if (ch == '\n')
- return ch;
- lex_unget(ch, file);
- return ' ';
-}
-
-static int lex_skipchr(lex_file *file) {
- int ch;
- int it;
-
- lex_clear(file);
- lex_addch('\'', file);
-
- for (it = 0; it < 2 && ((ch = lex_inget(file)) != '\''); it++) {
- lex_addch(ch, file);
-
- if (ch == '\n')
- return ERROR_LEX;
- if (ch == '\\')
- lex_addch(lex_getch(file), file);
- }
- lex_addch('\'', file);
- lex_addch('\0', file);
-
- if (it > 2)
- return ERROR_LEX;
-
- return LEX_CHRLIT;
-}
-
-static int lex_skipstr(lex_file *file) {
- int ch;
- lex_clear(file);
- lex_addch('"', file);
-
- while ((ch = lex_getch(file)) != '"') {
- if (ch == '\n' || ch == EOF)
- return ERROR_LEX;
-
- lex_addch(ch, file);
- if (ch == '\\')
- lex_addch(lex_inget(file), file);
- }
-
- lex_addch('"', file);
- lex_addch('\0', file);
-
- return LEX_STRLIT;
-}
-static int lex_skipcmt(lex_file *file) {
- int ch;
- lex_clear(file);
- ch = lex_getch(file);
-
- if (ch == '/') {
- lex_addch('/', file);
- lex_addch('/', file);
-
- while ((ch = lex_getch(file)) != '\n') {
- if (ch == '\\') {
- lex_addch(ch, file);
- lex_addch(lex_getch(file), file);
- } else {
- lex_addch(ch, file);
- }
- }
- lex_addch('\0', file);
- return LEX_COMMENT;
- }
-
- if (ch != '*') {
- lex_unget(ch, file);
- return '/';
- }
-
- lex_addch('/', file);
-
- /* hate this */
- do {
- lex_addch(ch, file);
- while ((ch = lex_getch(file)) != '*') {
- if (ch == EOF)
- return error(file, ERROR_LEX, "malformatted comment");
- else
- lex_addch(ch, file);
- }
- lex_addch(ch, file);
- } while ((ch = lex_getch(file)) != '/');
-
- lex_addch('/', file);
- lex_addch('\0', file);
-
- return LEX_COMMENT;
-}
-
-static int lex_getsource(lex_file *file) {
- int ch = lex_get(file);
-
- /* skip char/string/comment */
- switch (ch) {
- case '\'': return lex_skipchr(file);
- case '"': return lex_skipstr(file);
- case '/': return lex_skipcmt(file);
- default:
- return ch;
- }
-}
-
-int lex_token(lex_file *file) {
- int ch = lex_getsource(file);
- int it;
-
- /* valid identifier */
- if (ch > 0 && (ch == '_' || isalpha(ch))) {
- lex_clear(file);
-
- while (ch > 0 && (ch == '_' || isalpha(ch))) {
- lex_addch(ch, file);
- ch = lex_getsource(file);
- }
- lex_unget(ch, file);
- lex_addch('\0', file);
-
- /* look inside the table for a keyword .. */
- for (it = 0; it < sizeof(lex_keywords)/sizeof(*lex_keywords); it++)
- if (!strncmp(file->lastok, lex_keywords[it], strlen(lex_keywords[it])))
- return it;
-
- /* try a type? */
- #define TEST_TYPE(X) \
- do { \
- if (!strncmp(X, "float", sizeof("float"))) \
- return TOKEN_FLOAT; \
- if (!strncmp(X, "vector", sizeof("vector"))) \
- return TOKEN_VECTOR; \
- if (!strncmp(X, "string", sizeof("string"))) \
- return TOKEN_STRING; \
- if (!strncmp(X, "entity", sizeof("entity"))) \
- return TOKEN_ENTITY; \
- if (!strncmp(X, "void" , sizeof("void"))) \
- return TOKEN_VOID; \
- } while(0)
-
- TEST_TYPE(file->lastok);
-
- /* try the hashtable for typedefs? */
- if (typedef_find(file->lastok))
- TEST_TYPE(typedef_find(file->lastok)->name);
-
- #undef TEST_TYPE
- return LEX_IDENT;
- }
- return (ch != ' ') ? ch : lex_token(file);
-}
-
-void lex_reset(lex_file *file) {
- file->current = 0;
- file->last = 0;
- file->length = file->size;
- fseek(file->file, 0, SEEK_SET);
-
- memset(file->peek, 0, sizeof(file->peek ));
- memset(file->lastok, 0, sizeof(file->lastok));
-}
-
-void lex_parse(lex_file *file) {
- if (!file) return;
- parse_gen(file); /* run parser */
-}
-
-/*
- * Include a file into the lexer / parsing process: This really
- * should check if names are the same to prevent endless include
- * recrusion.
- */
-lex_file *lex_include(lex_file *lex, const char *file) {
- lex_file *set = NULL;
-
- util_strrq(file);
- if (strncmp(lex->name, file, strlen(lex->name)) == 0) {
- error(lex, ERROR_LEX, "Source file cannot include itself\n");
- exit (-1);
- }
- lex_init(file, &set);
-
- return set;
-}
+++ /dev/null
-/*
- * Copyright (C) 2012
- * Dale Weiler
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "gmqcc.h"
-
-/* compile-time constant for type constants */
-typedef struct {
- char *name;
- int type;
- float value[3];
- char *string; /* string value if constant is string literal */
-} constant;
-VECTOR_MAKE(constant, compile_constants);
-
-void compile_constant_debug() {
- int iter = 0;
- for(; iter < compile_constants_elements; iter++) {
- constant *c = &compile_constants_data[iter];
- switch(c->type) {
- case TYPE_FLOAT: printf("constant: %s FLOAT %f\n", c->name, c->value[0]); break;
- case TYPE_VECTOR: printf("constant: %s VECTOR {%f,%f,%f}\n",c->name, c->value[0], c->value[1], c->value[2]); break;
- case TYPE_STRING: printf("constant: %s STRING %s\n", c->name, c->string); break;
- case TYPE_VOID: printf("constant: %s VOID %s\n", c->name, c->string); break;
- }
- }
-}
-
-/*
- * Generates a parse tree out of the lexees generated by the lexer. This
- * is where the tree is built. This is where valid check is performed.
- */
-int parse_gen(lex_file *file) {
- int token = 0;
- while ((token = lex_token(file)) != ERROR_LEX && file->length >= 0) {
- switch (token) {
- case TOKEN_TYPEDEF: {
- char *f; /* from */
- char *t; /* to */
-
- token = lex_token(file);
- token = lex_token(file); f = util_strdup(file->lastok);
- token = lex_token(file);
- token = lex_token(file); t = util_strdup(file->lastok);
-
- typedef_add(file, f, t);
- mem_d(f);
- mem_d(t);
-
- token = lex_token(file);
- if (token == ' ')
- token = lex_token(file);
-
- if (token != ';')
- error(file, ERROR_PARSE, "Expected a `;` at end of typedef statement");
-
- token = lex_token(file);
- break;
- }
-
- case TOKEN_VOID: goto fall;
- case TOKEN_STRING: goto fall;
- case TOKEN_VECTOR: goto fall;
- case TOKEN_ENTITY: goto fall;
- case TOKEN_FLOAT: goto fall;
- {
- fall:; {
- char *name = NULL;
- int type = token; /* story copy */
-
- /* skip over space */
- token = lex_token(file);
- if (token == ' ')
- token = lex_token(file);
-
- /* save name */
- name = util_strdup(file->lastok);
-
- /* skip spaces */
- token = lex_token(file);
- if (token == ' ')
- token = lex_token(file);
-
- if (token == ';') {
- /*
- * Definitions go to the defs table, they don't have
- * any sort of data with them yet.
- */
- } else if (token == '=') {
- token = lex_token(file);
- if (token == ' ')
- token = lex_token(file);
-
- /* strings are in file->lastok */
- switch (type) {
- case TOKEN_VOID:
- error(file, ERROR_PARSE, "Cannot assign value to type void\n");
-
- /* TODO: Validate (end quote), strip quotes for constant add, name constant */
- case TOKEN_STRING:
- if (*file->lastok != '"')
- error(file, ERROR_PARSE, "Expected a '\"' (quote) for string constant\n");
- /* add the compile-time constant */
- {
- constant c;
- c.name = util_strdup(name),
- c.type = TYPE_STRING,
- c.value[0] = 0;
- c.value[1] = 0;
- c.value[2] = 0;
- c.string = util_strdup(file->lastok);
- compile_constants_add(c);
- }
- break;
- /* TODO: name constant, old qc vec literals, whitespace fixes, name constant */
- case TOKEN_VECTOR: {
- float compile_calc_x = 0;
- float compile_calc_y = 0;
- float compile_calc_z = 0;
- int compile_calc_d = 0; /* dot? */
- int compile_calc_s = 0; /* sign (-, +) */
-
- char compile_data[1024];
- char *compile_eval = compile_data;
-
- if (token != '{')
- error(file, ERROR_PARSE, "Expected initializer list {} for vector constant\n");
-
- /*
- * This parses a single vector element: x,y & z. This will handle all the
- * complicated mechanics of a vector, and can be extended as well. This
- * is a rather large macro, and is #undef'd after it's use below.
- */
- #define PARSE_VEC_ELEMENT(NAME, BIT) \
- token = lex_token(file); \
- if (token == ' ') \
- token = lex_token(file); \
- if (token == '.') \
- compile_calc_d = 1; \
- if (!isdigit(token) && !compile_calc_d && token != '+' && token != '-') \
- error(file, ERROR_PARSE,"Invalid constant initializer element %c for vector, must be numeric\n", NAME); \
- if (token == '+') \
- compile_calc_s = '+'; \
- if (token == '-' && !compile_calc_s) \
- compile_calc_s = '-'; \
- while (isdigit(token) || token == '.' || token == '+' || token == '-') { \
- *compile_eval++ = token; \
- token = lex_token(file); \
- if (token == '.' && compile_calc_d) { \
- error(file, ERROR_PARSE, "Invalid constant initializer element %c for vector, must be numeric.\n", NAME); \
- token = lex_token(file); \
- } \
- if ((token == '-' || token == '+') && compile_calc_s) { \
- error(file, ERROR_PARSE, "Invalid constant initializer sign for vector element %c\n", NAME); \
- token = lex_token(file); \
- } \
- else if (token == '.' && !compile_calc_d) \
- compile_calc_d = 1; \
- else if (token == '-' && !compile_calc_s) \
- compile_calc_s = '-'; \
- else if (token == '+' && !compile_calc_s) \
- compile_calc_s = '+'; \
- } \
- if (token == ' ') \
- token = lex_token(file); \
- if (NAME != 'z') { \
- if (token != ',' && token != ' ') \
- error(file, ERROR_PARSE, "invalid constant initializer element %c for vector (missing spaces, or comma delimited list?)\n", NAME); \
- } else if (token != '}') { \
- error(file, ERROR_PARSE, "Expected `}` on end of constant initialization for vector\n"); \
- } \
- compile_calc_##BIT = atof(compile_data); \
- compile_calc_d = 0; \
- compile_calc_s = 0; \
- compile_eval = &compile_data[0]; \
- memset(compile_data, 0, sizeof(compile_data))
-
- /*
- * Parse all elements using the macro above.
- * We must undef the macro afterwards.
- */
- PARSE_VEC_ELEMENT('x', x);
- PARSE_VEC_ELEMENT('y', y);
- PARSE_VEC_ELEMENT('z', z);
- #undef PARSE_VEC_ELEMENT
-
- /* Check for the semi-colon... */
- token = lex_token(file);
- if (token == ' ')
- token = lex_token(file);
- if (token != ';')
- error(file, ERROR_PARSE, "Expected `;` on end of constant initialization for vector\n");
-
- /* add the compile-time constant */
- {
- constant c;
-
- c.name = util_strdup(name),
- c.type = TYPE_VECTOR,
- c.value[0] = compile_calc_x;
- c.value[1] = compile_calc_y;
- c.value[2] = compile_calc_z;
- c.string = NULL;
- compile_constants_add(c);
- }
- break;
- }
-
- case TOKEN_ENTITY:
- case TOKEN_FLOAT: /*TODO: validate, constant generation, name constant */
- if (!isdigit(token))
- error(file, ERROR_PARSE, "Expected numeric constant for float constant\n");
- /* constant */
- {
- constant c;
- c.name = util_strdup(name),
- c.type = TOKEN_FLOAT,
- c.value[0] = 0;
- c.value[1] = 0;
- c.value[2] = 0;
- c.string = NULL;
- compile_constants_add(c);
- }
- break;
- }
- } else if (token == '(') {
- printf("FUNCTION ??\n");
- }
- mem_d(name);
- }}
-
- /*
- * From here down is all language punctuation: There is no
- * need to actual create tokens from these because they're already
- * tokenized as these individual tokens (which are in a special area
- * of the ascii table which doesn't conflict with our other tokens
- * which are higer than the ascii table.)
- */
- case '#':
- token = lex_token(file); /* skip '#' */
- if (token == ' ')
- token = lex_token(file);
- /*
- * If we make it here we found a directive, the supported
- * directives so far are #include.
- */
- if (strncmp(file->lastok, "include", sizeof("include")) == 0) {
- char *copy = NULL;
- lex_file *next = NULL;
- /*
- * We only suport include " ", not <> like in C (why?)
- * because the latter is silly.
- */
- while (*file->lastok != '"' && token != '\n')
- token = lex_token(file);
- if (token == '\n')
- return error(file, ERROR_PARSE, "Invalid use of include preprocessor directive: wanted #include \"file.h\"\n");
-
- copy = util_strdup(file->lastok);
- next = lex_include(file, copy);
-
- if (!next) {
- error(file, ERROR_INTERNAL, "Include subsystem failure\n");
- exit (-1);
- }
- /* constant */
- {
- constant c;
- c.name = "#include",
- c.type = TYPE_VOID,
- c.value[0] = 0;
- c.value[1] = 0;
- c.value[2] = 0;
- c.string = copy;
- compile_constants_add(c);
- }
- parse_gen(next);
- mem_d (copy);
- lex_close(next);
- }
- /* skip all tokens to end of directive */
- while (token != '\n')
- token = lex_token(file);
- break;
-
- case LEX_IDENT:
- token = lex_token(file);
- break;
- }
- }
- compile_constant_debug();
- lex_reset(file);
- /* free constants */
- {
- size_t i = 0;
- for (; i < compile_constants_elements; i++) {
- mem_d(compile_constants_data[i].name);
- mem_d(compile_constants_data[i].string);
- }
- mem_d(compile_constants_data);
- }
- return 1;
-}
assignop = type_store_instr[exprs[0]->expression.vtype];
out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
break;
+ case opid2('+','='):
+ if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
+ parseerror(parser, "Cannot add type %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ }
+ if (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) {
+ parseerror(parser, "type error: %s - %s not defined",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ }
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
+ break;
+ default:
+ parseerror(parser, "type error: cannot add type %s to %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ };
+ break;
}
#undef NotSameType
+++ /dev/null
-/*
- * Copyright (C) 2012
- * Dale Weiler
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "gmqcc.h"
-static typedef_node *typedef_table[1024];
-
-void typedef_init() {
- int i;
- for(i = 0; i < sizeof(typedef_table)/sizeof(*typedef_table); i++)
- typedef_table[i] = NULL;
-}
-
-uint32_t typedef_hash(const char *s) {
- return util_crc32(s, strlen(s), 1024);
-}
-
-typedef_node *typedef_find(const char *s) {
- unsigned int hash = typedef_hash(s);
- typedef_node *find = typedef_table[hash];
- return find;
-}
-
-void typedef_clear() {
- int i;
- for(i = 1024; i > 0; i--) {
- if(typedef_table[i]) {
- mem_d(typedef_table[i]->name);
- mem_d(typedef_table[i]);
- }
- }
-}
-
-int typedef_add(lex_file *file, const char *from, const char *to) {
- unsigned int hash = typedef_hash(to);
- typedef_node *find = typedef_table[hash];
-
- if (find)
- return error(file, ERROR_PARSE, "typedef for %s already exists or conflicts\n", to);
-
- /* check if the type exists first */
- if (strncmp(from, "float", sizeof("float")) == 0 ||
- strncmp(from, "vector", sizeof("vector")) == 0 ||
- strncmp(from, "string", sizeof("string")) == 0 ||
- strncmp(from, "entity", sizeof("entity")) == 0 ||
- strncmp(from, "void", sizeof("void")) == 0) {
-
- typedef_table[hash] = mem_a(sizeof(typedef_node));
- if (typedef_table[hash])
- typedef_table[hash]->name = util_strdup(from);
- else
- return error(file, ERROR_PARSE, "ran out of resources for typedef %s\n", to);
- return -100;
- } else {
- /* search the typedefs for it (typedef-a-typedef?) */
- find = typedef_table[typedef_hash(from)];
- if (find) {
- typedef_table[hash] = mem_a(sizeof(typedef_node));
- if (typedef_table[hash])
- typedef_table[hash]->name = util_strdup(find->name);
- else
- return error(file, ERROR_PARSE, "ran out of resources for typedef %s\n", to);
- return -100;
- }
- }
- return error(file, ERROR_PARSE, "cannot typedef `%s` (not a type)\n", from);
-}