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Remove need for type keyword

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This commit is contained in:
Ginger Bill
2017-02-10 16:12:14 +00:00
parent f18ae89931
commit 73d6a55f5c
11 changed files with 194 additions and 219 deletions
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src/check_stmt.c
+25 -5
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@@ -942,7 +942,25 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
bool is_union_ptr = false;
bool is_any = false;
check_expr(c, &x, ms->tag);
if (ms->tag->kind != AstNode_AssignStmt) {
error_node(ms->tag, "Expected an `in` assignment for this type match statement");
break;
}
ast_node(as, AssignStmt, ms->tag);
Token as_token = ast_node_token(ms->tag);
if (as->lhs.count != 1) {
syntax_error(as_token, "Expected 1 name before `in`");
break;
}
if (as->rhs.count != 1) {
syntax_error(as_token, "Expected 1 expression after `in`");
break;
}
AstNode *lhs = as->lhs.e[0];
AstNode *rhs = as->rhs.e[0];
check_expr(c, &x, rhs);
check_assignment(c, &x, NULL, str_lit("type match expression"));
if (!check_valid_type_match_type(x.type, &is_union_ptr, &is_any)) {
gbString str = type_to_string(x.type);
@@ -980,7 +998,9 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
}
}
if (ms->var->kind != AstNode_Ident) {
if (unparen_expr(lhs)->kind != AstNode_Ident) {
error_node(rhs, "Expected an identifier, got `%.*s`", LIT(ast_node_strings[rhs->kind]));
break;
}
@@ -1056,10 +1076,10 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
tt = make_type_pointer(c->allocator, case_type);
add_type_info_type(c, tt);
}
Entity *tag_var = make_entity_variable(c->allocator, c->context.scope, ms->var->Ident, tt, true);
Entity *tag_var = make_entity_variable(c->allocator, c->context.scope, lhs->Ident, tt, true);
tag_var->flags |= EntityFlag_Used;
add_entity(c, c->context.scope, ms->var, tag_var);
add_entity_use(c, ms->var, tag_var);
add_entity(c, c->context.scope, lhs, tag_var);
add_entity_use(c, lhs, tag_var);
}
check_stmt_list(c, cc->stmts, mod_flags);
check_close_scope(c);