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move parse open parens out of parse_function

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This commit is contained in:
me 2026-01-10 16:56:51 +02:00
parent 49329273d3
commit a44abe5e73
1 changed files with 8 additions and 4 deletions
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12
first-interpreter/src/parse.c
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@ -43,7 +43,6 @@ char* parse_identifier(TokenArray tokens, unsigned* tokens_index) {
Expr parse_expr(TokenArray tokens, unsigned* tokens_index); Expr parse_expr(TokenArray tokens, unsigned* tokens_index);
Expr parse_function(TokenArray tokens, unsigned* tokens_index, char* name) { Expr parse_function(TokenArray tokens, unsigned* tokens_index, char* name) {
parse_token(tokens, tokens_index, OPENPAREN);
Expr* exprs = (Expr*)malloc((tokens.length - *tokens_index) * sizeof(Expr)); Expr* exprs = (Expr*)malloc((tokens.length - *tokens_index) * sizeof(Expr));
unsigned expr_index = 0; unsigned expr_index = 0;
while (*tokens_index < tokens.length && tokens.tokens[*tokens_index].tag != CLOSEPAREN) { while (*tokens_index < tokens.length && tokens.tokens[*tokens_index].tag != CLOSEPAREN) {
@ -79,7 +78,7 @@ Expr parse_expr(TokenArray tokens, unsigned* tokens_index) {
}; };
} }
case IDENTIFIER: { case IDENTIFIER: {
if (*tokens_index < tokens.length && tokens.tokens[*tokens_index].tag == OPENPAREN) { if (maybe_parse_token(tokens, tokens_index, OPENPAREN)) {
return parse_function(tokens, tokens_index, token.data.identifier); return parse_function(tokens, tokens_index, token.data.identifier);
} else { } else {
return (Expr) { return (Expr) {
@ -132,8 +131,8 @@ Stmt parse_stmt(TokenArray tokens, unsigned* tokens_index) {
}; };
} }
// Expression // Expression
else { else if (maybe_parse_token(tokens, tokens_index, OPENPAREN)) {
Expr expr = parse_function(tokens, tokens_index, identifier); Expr expr = parse_function(tokens, tokens_index, identifier);
return (Stmt) { return (Stmt) {
.tag = EXPR, .tag = EXPR,
@ -142,6 +141,11 @@ Stmt parse_stmt(TokenArray tokens, unsigned* tokens_index) {
}, },
}; };
} }
// Error
else {
fprintf(stderr, "Parse error: Unexpected token. Expected '(' or '='");
exit(1);
}
} }
StmtArray parse_block(TokenArray tokens, unsigned* tokens_index) { StmtArray parse_block(TokenArray tokens, unsigned* tokens_index) {