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Slowly adding multiple return values

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This commit is contained in:
Krzosa Karol
2022-06-16 11:48:47 +02:00
parent 2a3284f70e
commit c604b44458
8 changed files with 122 additions and 48 deletions
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18
ast.cpp
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@@ -139,7 +139,7 @@ struct Ast_Builtin: Ast_Expr{
//
struct Ast_Return: Ast{
Ast_Expr *expr;
Array<Ast_Expr *> expr;
};
struct Ast_If_Node: Ast{
@@ -164,7 +164,7 @@ struct Ast_For: Ast{
struct Ast_Lambda : Ast_Expr {
Array<Ast_Decl *> args;
Ast_Expr *ret;
Array<Ast_Expr *> ret;
Ast_Scope *scope;
};
@@ -331,14 +331,12 @@ ast_expr_index(Token *pos, Ast_Expr *expr, Ast_Expr *index){
}
function Ast_Lambda *
ast_lambda(Token *pos, Array<Ast_Decl *> params, Ast_Expr *ret, Ast_Scope *scope){
ast_lambda(Token *pos, Array<Ast_Decl *> params, Array<Ast_Expr *> ret, Ast_Scope *scope){
AST_NEW(Lambda, LAMBDA_EXPR, pos, AST_EXPR);
result->flags = AST_EXPR;
result->args = params.tight_copy(pctx->perm);
result->ret = ret.tight_copy(pctx->perm);
result->scope = scope;
result->ret = ret;
if(!ret) result->ret = ast_ident(result->pos, intern_void);
return result;
}
@@ -372,11 +370,11 @@ ast_break(Token *pos){
}
function Ast_Return *
ast_return(Token *pos, Ast_Expr *expr){
ast_return(Token *pos, Array<Ast_Expr *> expr){
AST_NEW(Return, RETURN, pos, AST_STMT);
if(expr){
assert(is_flag_set(expr->flags, AST_EXPR));
result->expr = expr;
if(expr.len){
For(expr) assert(is_flag_set(it->flags, AST_EXPR));
result->expr = expr.tight_copy(pctx->perm);
}
return result;
}