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Disallowed fn decl in for loop pre clause

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This commit is contained in:
Kayne Ruse
2023-06-07 19:20:50 +10:00
parent 733df87c08
commit cdb2613e5d
1 changed files with 8 additions and 1 deletions
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9
source/toy_parser.c
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@@ -119,6 +119,7 @@ ParseRule parseRules[];
static void declaration(Toy_Parser* parser, Toy_ASTNode** nodeHandle); static void declaration(Toy_Parser* parser, Toy_ASTNode** nodeHandle);
static void parsePrecedence(Toy_Parser* parser, Toy_ASTNode** nodeHandle, PrecedenceRule rule); static void parsePrecedence(Toy_Parser* parser, Toy_ASTNode** nodeHandle, PrecedenceRule rule);
static Toy_Literal readTypeToLiteral(Toy_Parser* parser); static Toy_Literal readTypeToLiteral(Toy_Parser* parser);
static void varDecl(Toy_Parser* parser, Toy_ASTNode** nodeHandle);
//TODO: resolve the messy order of these //TODO: resolve the messy order of these
//the expression rules //the expression rules
@@ -1397,7 +1398,13 @@ static void forStmt(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
//check the pre-clause //check the pre-clause
if (parser->current.type != TOY_TOKEN_SEMICOLON) { if (parser->current.type != TOY_TOKEN_SEMICOLON) {
declaration(parser, &preClause); //allow defining variables in the pre-clause //allow defining variables in the pre-clause
if (match(parser, TOY_TOKEN_VAR)) {
varDecl(parser, &preClause);
}
else {
parsePrecedence(parser, &preClause, PREC_ASSIGNMENT);
}
} }
else { else {
consume(parser, TOY_TOKEN_SEMICOLON, "Expected ';' after empty declaration of for clause"); consume(parser, TOY_TOKEN_SEMICOLON, "Expected ';' after empty declaration of for clause");