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Pass any and union "by pointer" to make the tag a pointer

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This commit is contained in:
gingerBill
2019-01-26 20:13:43 +00:00
parent a96bf08266
commit 44b959648c
5 changed files with 17 additions and 43 deletions
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54
src/parser.cpp
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@@ -1877,7 +1877,7 @@ Ast *parse_operand(AstFile *f, bool lhs) {
isize param_count = 0;
polymorphic_params = parse_field_list(f, &param_count, 0, Token_CloseParen, false, true);
if (param_count == 0) {
syntax_error(polymorphic_params, "Expected at least 1 polymorphic parametric");
syntax_error(polymorphic_params, "Expected at least 1 polymorphic parameter");
polymorphic_params = nullptr;
}
expect_token_after(f, Token_CloseParen, "parameter list");
@@ -2089,6 +2089,8 @@ bool is_literal_type(Ast *node) {
case Ast_EnumType:
case Ast_DynamicArrayType:
case Ast_MapType:
case Ast_BitFieldType:
case Ast_BitSetType:
case Ast_CallExpr:
return true;
}
@@ -2854,7 +2856,7 @@ u32 parse_field_prefixes(AstFile *f) {
if (no_alias_count > 1) syntax_error(f->curr_token, "Multiple '#no_alias' in this field list");
if (c_vararg_count > 1) syntax_error(f->curr_token, "Multiple '#c_vararg' in this field list");
if (in_count > 1) syntax_error(f->curr_token, "Multiple 'in' in this field list");
if (auto_cast_count > 1) syntax_error(f->curr_token, "Multiple 'auto_cast_count' in this field list");
if (auto_cast_count > 1) syntax_error(f->curr_token, "Multiple 'auto_cast' in this field list");
u32 field_flags = 0;
@@ -2912,7 +2914,6 @@ Array<Ast *> convert_to_ident_list(AstFile *f, Array<AstAndFlags> list, bool ign
case Ast_PolyType:
if (allow_poly_names) {
if (ident->PolyType.specialization == nullptr) {
// syntax_error(ident, "Polymorphic identifiers are not yet supported");
break;
} else {
syntax_error(ident, "Expected a polymorphic identifier without any specialization");
@@ -2946,29 +2947,6 @@ bool parse_expect_field_separator(AstFile *f, Ast *param) {
return false;
}
bool parse_expect_struct_separator(AstFile *f, Ast *param) {
Token token = f->curr_token;
if (allow_token(f, Token_Semicolon)) {
return true;
}
if (token.kind == Token_Colon) {
syntax_error(f->curr_token, "Expected a semicolon, got a comma");
advance_token(f);
return true;
}
if (token.kind == Token_CloseBrace) {
if (token.pos.line == f->prev_token.pos.line) {
return true;
}
}
expect_token_after(f, Token_Semicolon, "field list");
return false;
}
Ast *parse_struct_field_list(AstFile *f, isize *name_count_) {
CommentGroup *docs = f->lead_comment;
Token start_token = f->curr_token;
@@ -3291,10 +3269,7 @@ Ast *parse_when_stmt(AstFile *f) {
Ast *else_stmt = nullptr;
isize prev_level = f->expr_level;
isize when_level = f->when_level;
defer (f->when_level = when_level);
f->expr_level = -1;
f->when_level += 1;
cond = parse_expr(f, false);
@@ -3334,16 +3309,17 @@ Ast *parse_when_stmt(AstFile *f) {
Ast *parse_return_stmt(AstFile *f) {
Token token = expect_token(f, Token_return);
if (f->curr_proc == nullptr) {
syntax_error(f->curr_token, "You cannot use a return statement in the file scope");
return ast_bad_stmt(f, f->curr_token, f->curr_token);
return ast_bad_stmt(f, token, f->curr_token);
}
if (f->expr_level > 0) {
syntax_error(f->curr_token, "You cannot use a return statement within an expression");
return ast_bad_stmt(f, f->curr_token, f->curr_token);
return ast_bad_stmt(f, token, f->curr_token);
}
Token token = expect_token(f, Token_return);
auto results = array_make<Ast *>(heap_allocator());
while (f->curr_token.kind != Token_Semicolon) {
@@ -3511,7 +3487,7 @@ Ast *parse_switch_stmt(AstFile *f) {
blank_ident.string = str_lit("_");
Ast *blank = ast_ident(f, blank_ident);
array_add(&lhs, blank);
array_add(&rhs, parse_expr(f, false));
array_add(&rhs, parse_expr(f, true));
tag = ast_assign_stmt(f, token, lhs, rhs);
is_type_switch = true;
@@ -3519,13 +3495,11 @@ Ast *parse_switch_stmt(AstFile *f) {
tag = parse_simple_stmt(f, StmtAllowFlag_In);
if (tag->kind == Ast_AssignStmt && tag->AssignStmt.op.kind == Token_in) {
is_type_switch = true;
} else {
if (allow_token(f, Token_Semicolon)) {
init = tag;
tag = nullptr;
if (f->curr_token.kind != Token_OpenBrace) {
tag = parse_simple_stmt(f, StmtAllowFlag_None);
}
} else if (allow_token(f, Token_Semicolon)) {
init = tag;
tag = nullptr;
if (f->curr_token.kind != Token_OpenBrace) {
tag = parse_simple_stmt(f, StmtAllowFlag_None);
}
}
}