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-rw-r--r--dimension/grammar.epilogue30
-rw-r--r--dimension/parse.h1
-rw-r--r--dimension/realize.c14
3 files changed, 35 insertions, 10 deletions
diff --git a/dimension/grammar.epilogue b/dimension/grammar.epilogue
index e8760c7..ecb910a 100644
--- a/dimension/grammar.epilogue
+++ b/dimension/grammar.epilogue
@@ -47,6 +47,36 @@ dmnsn_parse(FILE *file, dmnsn_symbol_table *symtable)
return astree;
}
+dmnsn_astree *
+dmnsn_parse_string(const char *str, dmnsn_symbol_table *symtable)
+{
+ const char *filename;
+ dmnsn_astnode *fnode = dmnsn_find_symbol(symtable, "__file__");
+ if (fnode && fnode->type == DMNSN_AST_STRING) {
+ filename = fnode->ptr;
+ } else {
+ filename = "<string>";
+ dmnsn_declare_symbol(symtable, "__file__", dmnsn_new_ast_string(filename));
+ }
+
+ void *scanner;
+ dmnsn_astree *astree = dmnsn_new_array(sizeof(dmnsn_astnode));
+
+ dmnsn_yylex_init(&scanner);
+ dmnsn_yyset_extra(NULL, scanner);
+
+ void *buffer = dmnsn_yy_make_string_buffer(str, scanner);
+ dmnsn_yy_push_buffer(buffer, scanner);
+
+ if (yyparse(filename, scanner, astree, symtable) != 0) {
+ dmnsn_delete_astree(astree);
+ astree = NULL;
+ }
+
+ dmnsn_yylex_destroy(scanner);
+ return astree;
+}
+
const char *
dmnsn_token_string(dmnsn_token_type token_type)
{
diff --git a/dimension/parse.h b/dimension/parse.h
index b2658f3..9db4981 100644
--- a/dimension/parse.h
+++ b/dimension/parse.h
@@ -168,6 +168,7 @@ dmnsn_astnode dmnsn_eval_vector(dmnsn_astnode astnode,
* The workhorse -- parse a file
*/
dmnsn_astree *dmnsn_parse(FILE *file, dmnsn_symbol_table *symtable);
+dmnsn_astree *dmnsn_parse_string(const char *str, dmnsn_symbol_table *symtable);
/*
* Parser internals
diff --git a/dimension/realize.c b/dimension/realize.c
index 31fb021..810d86e 100644
--- a/dimension/realize.c
+++ b/dimension/realize.c
@@ -17,8 +17,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#define _GNU_SOURCE /* For fmemopen */
-
#include "realize.h"
#include "parse.h"
#include "utility.h"
@@ -754,18 +752,14 @@ dmnsn_realize_string(const char *str, dmnsn_symbol_table *symtable)
if (!symtable) {
symtable = dmnsn_new_symbol_table();
}
- if (!dmnsn_find_symbol(symtable, "__file__")) {
- dmnsn_declare_symbol(symtable, "__file__",
- dmnsn_new_ast_string("<string>"));
- }
- FILE *file = fmemopen((void *)str, strlen(str), "r");
- if (!file) {
+ dmnsn_astree *astree = dmnsn_parse_string(str, symtable);
+ if (!astree) {
return NULL;
}
- dmnsn_scene *scene = dmnsn_realize(file, symtable);
+ dmnsn_scene *scene = dmnsn_realize_astree(astree);
- fclose(file);
+ dmnsn_delete_astree(astree);
return scene;
}