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suport checked arithmetic operations via intrinsics

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closes #32
This commit is contained in:
Andrew Kelley
2016-01-08 23:41:40 -07:00
parent 14b9cbd43c
commit b7dd88ad68
10 changed files with 205 additions and 19 deletions
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14
src/parser.cpp
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@@ -1313,7 +1313,7 @@ static AstNode *ast_parse_struct_val_expr(ParseContext *pc, int *token_index) {
}
/*
PrimaryExpression : token(Number) | token(String) | token(CharLiteral) | KeywordLiteral | GroupedExpression | Goto | token(Break) | token(Continue) | BlockExpression | token(Symbol) | StructValueExpression | CompilerFnType
PrimaryExpression : token(Number) | token(String) | token(CharLiteral) | KeywordLiteral | GroupedExpression | Goto | token(Break) | token(Continue) | BlockExpression | token(Symbol) | StructValueExpression | CompilerFnType | (token(AtSign) token(Symbol) FnCallExpression)
KeywordLiteral : token(Unreachable) | token(Void) | token(True) | token(False) | token(Null)
*/
static AstNode *ast_parse_primary_expr(ParseContext *pc, int *token_index, bool mandatory) {
@@ -1356,6 +1356,18 @@ static AstNode *ast_parse_primary_expr(ParseContext *pc, int *token_index, bool
AstNode *node = ast_create_node(pc, NodeTypeNullLiteral, token);
*token_index += 1;
return node;
} else if (token->id == TokenIdAtSign) {
*token_index += 1;
Token *name_tok = ast_eat_token(pc, token_index, TokenIdSymbol);
AstNode *name_node = ast_create_node(pc, NodeTypeSymbol, name_tok);
ast_buf_from_token(pc, name_tok, &name_node->data.symbol);
AstNode *node = ast_create_node(pc, NodeTypeFnCallExpr, token);
node->data.fn_call_expr.fn_ref_expr = name_node;
ast_eat_token(pc, token_index, TokenIdLParen);
ast_parse_fn_call_param_list(pc, token_index, &node->data.fn_call_expr.params);
node->data.fn_call_expr.is_builtin = true;
return node;
} else if (token->id == TokenIdSymbol) {
Token *next_token = &pc->tokens->at(*token_index + 1);