diff options
Diffstat (limited to 'src/parser.c')
| -rw-r--r-- | src/parser.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/parser.c b/src/parser.c index fd836af..e02d1fe 100644 --- a/src/parser.c +++ b/src/parser.c @@ -101,6 +101,23 @@ parser_literal_integer_node(ast_node_t *node, token_t *token) return true; } +static ast_binary_operation_kind_t +token_to_binary_operation_kind(token_t *token) +{ + switch (token->kind) { + case TOKEN_PLUS: + return AST_BINOP_ADITION; + case TOKEN_MINUS: + return AST_BINOP_SUBTRACTION; + case TOKEN_STAR: + return AST_BINOP_MULTIPLICATION; + case TOKEN_SLASH: + return AST_BINOP_DIVISION; + default: + assert(false && "token mapping not found."); + } +} + bool parser_parse_factor(parser_t *parser, ast_node_t *node) { @@ -146,7 +163,7 @@ parser_parse_term(parser_t *parser, ast_node_t *node) if (!parser_parse_factor(parser, right)) return false; - ast_node_init_binary_operation(node, token.value, left, right); + ast_node_init_binary_operation(node, token_to_binary_operation_kind(&token), left, right); lexer_next_token(parser->lexer, &token); } @@ -180,7 +197,7 @@ parser_parse_expression(parser_t *parser, ast_node_t *node) if (!parser_parse_term(parser, right)) return false; - ast_node_init_binary_operation(node, token.value, left, right); + ast_node_init_binary_operation(node, token_to_binary_operation_kind(&token), left, right); lexer_next_token(parser->lexer, &token); } |