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Core: Add defer

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This commit is contained in:
Krzosa Karol
2023-04-22 14:23:08 +02:00
parent d9a7882f8c
commit ad301153d4
8 changed files with 61 additions and 48 deletions
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30
core_codegen_c_language.cpp
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@@ -17,6 +17,7 @@ global S32 is_inside_struct;
CORE_Static void gen_ast(Ast *ast);
CORE_Static bool gen_expr(Ast_Expr *ast);
CORE_Static void gen_stmt_scope(Ast_Scope *scope, B32 switch_case_gen_break = 0);
CORE_Static void
gen_indent() {
@@ -266,7 +267,25 @@ gen_value(Token *pos, Value a) {
}
CORE_Static void
gen_stmt_scope(Ast_Scope *scope, B32 switch_case_gen_break = 0) {
gen_defers_for_scope(Ast_Scope *scope) {
int save_line = last_line;
For(scope->defers.reverse()) {
gen("/* defer */");
gen_stmt_scope(it->scope);
}
last_line = save_line;
}
CORE_Static void
gen_defers_for_scope_and_parents(Ast_Scope *scope) {
for (; scope;) {
gen_defers_for_scope(scope);
scope = scope->parent_scope;
}
}
CORE_Static void
gen_stmt_scope(Ast_Scope *scope, B32 switch_case_gen_break) {
gen("{");
global_indent++;
For(scope->stmts) {
@@ -274,6 +293,7 @@ gen_stmt_scope(Ast_Scope *scope, B32 switch_case_gen_break = 0) {
genln("");
gen_ast(it);
}
gen_defers_for_scope(scope);
if (switch_case_gen_break == 1) genln("break;");
global_indent--;
gen_last_line();
@@ -581,6 +601,7 @@ gen_ast(Ast *ast) {
}
CASE(RETURN, Return) {
gen_defers_for_scope_and_parents(node->parent_scope);
gen("return ");
if (node->expr) gen_expr(node->expr);
gen(";");
@@ -634,13 +655,19 @@ gen_ast(Ast *ast) {
} break;
case AST_CONTINUE: {
gen_defers_for_scope(ast->parent_scope);
gen("continue;");
} break;
case AST_BREAK: {
gen_defers_for_scope(ast->parent_scope);
gen("break;");
} break;
case AST_DEFER: {
gen("// defer");
} break;
case AST_COMPILER_BREAKPOINT_STMT: {
__debugbreak();
} break;
@@ -686,6 +713,7 @@ gen_ast(Ast *ast) {
}
global_indent--;
gen_last_line();
gen_defers_for_scope(ast->parent_scope);
genln("}");
}