diff options
author | dec05eba <dec05eba@protonmail.com> | 2019-03-02 22:40:34 +0100 |
---|---|---|
committer | dec05eba <dec05eba@protonmail.com> | 2020-07-25 14:36:46 +0200 |
commit | d640066d9390e3ba1abca183db9263b775c000d4 (patch) | |
tree | 4389abf1244ab930a225e4c33b2b5071d4d0d70f /src | |
parent | af74ddb119e3c5167a10bf5468af3960c8db42c0 (diff) |
Readd requirement for semicolon, makes things much simpler (for user as well)
Diffstat (limited to 'src')
-rw-r--r-- | src/parser.c | 31 | ||||
-rw-r--r-- | src/tokenizer.c | 6 |
2 files changed, 33 insertions, 4 deletions
diff --git a/src/parser.c b/src/parser.c index babb2d9..7588bda 100644 --- a/src/parser.c +++ b/src/parser.c @@ -266,18 +266,36 @@ int parser_parse_rhs_start(Parser *self, Ast *rhs_expr) { } /* -BODY = (LHS '=' RHS_START) | - RHS_START +BODY = LHS ';' | + (LHS '=' RHS_START ';') | + (RHS_START ';') + +Note: Semicolon is not required for closures, structs and tables */ int parser_parse_body(Parser *self, Ast *ast) { + bool match; LhsExpr *lhs_expr; Ast rhs_expr; rhs_expr = ast_none(); return_if_error(parser_parse_lhs(self, &lhs_expr)); - if(lhs_expr) - return_if_error(tokenizer_accept(&self->tokenizer, TOK_EQUALS)); + if(lhs_expr) { + return_if_error(tokenizer_consume_if(&self->tokenizer, TOK_EQUALS, &match)); + if(match) + goto rhs; + + return_if_error(tokenizer_consume_if(&self->tokenizer, TOK_SEMICOLON, &match)); + if(!match) { + self->error = tokenizer_create_error(&self->tokenizer, "Expected '=' or ';'"); + return PARSER_UNEXPECTED_TOKEN; + } + + ast->type = AST_LHS; + ast->value.lhs_expr = lhs_expr; + return PARSER_OK; + } + rhs: return_if_error(parser_parse_rhs_start(self, &rhs_expr)); if(lhs_expr) { lhs_expr->rhs_expr = rhs_expr; @@ -286,6 +304,11 @@ int parser_parse_body(Parser *self, Ast *ast) { } else { *ast = rhs_expr; } + + /* TODO: Check for struct and tables */ + if(rhs_expr.type != AST_FUNCTION_DECL) + return_if_error(tokenizer_accept(&self->tokenizer, TOK_SEMICOLON)); + return PARSER_OK; } diff --git a/src/tokenizer.c b/src/tokenizer.c index b996354..afaeb8e 100644 --- a/src/tokenizer.c +++ b/src/tokenizer.c @@ -247,6 +247,9 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) { } else if(c == '}') { ++self->index; *token = TOK_CLOSING_BRACE; + } else if(c == ';') { + ++self->index; + *token = TOK_SEMICOLON; } else if(c == '@') { const char *err_msg; ++self->index; @@ -361,6 +364,9 @@ static BufferView tokenizer_expected_token_as_string(Token token) { case TOK_DOT: str = "."; break; + case TOK_SEMICOLON: + str = ";"; + break; default: str = "Unknown token"; break; |