From 00ab5c3488c02beab5c3f4e371f5196404334e3c Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 2 Mar 2019 00:40:08 +0100
Subject: Fix crash in parser import, optimize tokenizer_consume_if to not
 reparse if already parsed

---
 src/parser.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

(limited to 'src/parser.c')

diff --git a/src/parser.c b/src/parser.c
index 81f0a92..e63814f 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -70,7 +70,7 @@ static CHECK_RESULT int parser_parse_lhs(Parser *self, LhsExpr **result) {
 }
 
 /*
-FUNC_DECL = '(' PARAM* ')' '{' BODY* '}'
+CLOSURE = '(' PARAM* ')' '{' BODY* '}'
 */
 static CHECK_RESULT int parser_parse_function_decl(Parser *self, FunctionDecl **func_decl) {
     bool result;
@@ -101,7 +101,7 @@ static CHECK_RESULT int parser_parse_function_decl(Parser *self, FunctionDecl **
 }
 
 /*
-FUNC_CALL = IDENTIFIER '(' ARGS* ')'
+FUNC_CALL = IDENTIFIER '(' RHS* ')'
 */
 static CHECK_RESULT int parser_parse_function_call(Parser *self, FunctionCall **func_call) {
     bool result;
@@ -127,6 +127,7 @@ IMPORT = IMPORT_SYMBOL
 */
 static CHECK_RESULT int parser_parse_import(Parser *self, Import **import) {
     bool result;
+    *import = NULL;
 
     return_if_error(tokenizer_consume_if(&self->tokenizer, TOK_IMPORT, &result));
     if(!result)
@@ -138,20 +139,25 @@ static CHECK_RESULT int parser_parse_import(Parser *self, Import **import) {
 }
 
 /*
-RHS = FUNC_DECL | FUNC_CALL | IMPORT
+RHS = CLOSURE | FUNC_CALL | IMPORT
 */
 static CHECK_RESULT int parser_parse_rhs(Parser *self, Ast *rhs_expr) {
     FunctionDecl *func_decl;
     FunctionCall *func_call;
     Import *import;
+   /* bool result;*/
 
-    return_if_error(parser_parse_function_decl(self, &func_decl));
-    if(func_decl) {
-        rhs_expr->type = AST_FUNCTION_DECL;
-        rhs_expr->value.func_decl = func_decl;
+/*
+    return_if_error(tokenizer_consume_if(&self->tokenizer, TOK_STRING, &result));
+    if(result) {
+        String *string;
+        return_if_error(scoped_allocator_alloc(self->allocator, sizeof(String), (void**)&string));
+        string_init(string, self->tokenizer.value.string);
+        rhs_expr->type = AST_STRING;
+        rhs_expr->value.string = func_call;
         return PARSER_OK;
     }
-
+*/
     return_if_error(parser_parse_function_call(self, &func_call));
     if(func_call) {
         rhs_expr->type = AST_FUNCTION_CALL;
@@ -159,6 +165,13 @@ static CHECK_RESULT int parser_parse_rhs(Parser *self, Ast *rhs_expr) {
         return PARSER_OK;
     }
 
+    return_if_error(parser_parse_function_decl(self, &func_decl));
+    if(func_decl) {
+        rhs_expr->type = AST_FUNCTION_DECL;
+        rhs_expr->value.func_decl = func_decl;
+        return PARSER_OK;
+    }
+
     return_if_error(parser_parse_import(self, &import));
     if(import) {
         rhs_expr->type = AST_IMPORT;
-- 
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