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Fix and clean up default procedure parameter code for non-constant types

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This commit is contained in:
gingerBill
2020-09-22 12:06:05 +01:00
parent 20e4548999
commit 609af3a651
6 changed files with 82 additions and 108 deletions
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src/ir.cpp
+38 -49
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@@ -7450,8 +7450,43 @@ irValue *ir_build_builtin_proc(irProcedure *proc, Ast *expr, TypeAndValue tv, Bu
return nullptr;
}
irValue *ir_handle_param_value(irProcedure *proc, Type *parameter_type, ParameterValue const &param_value, TokenPos const &pos) {
switch (param_value.kind) {
case ParameterValue_Constant:
if (is_type_constant_type(parameter_type)) {
return ir_value_constant(parameter_type, param_value.value);
} else {
ExactValue ev = param_value.value;
irValue *arg = nullptr;
Type *type = type_of_expr(param_value.original_ast_expr);
if (type != nullptr) {
arg = ir_value_constant(type, ev);
} else {
arg = ir_value_constant(parameter_type, param_value.value);
}
return ir_emit_conv(proc, arg, parameter_type);
}
case ParameterValue_Nil:
return ir_value_nil(parameter_type);
case ParameterValue_Location:
{
String proc_name = {};
if (proc->entity != nullptr) {
proc_name = proc->entity->token.string;
}
return ir_emit_source_code_location(proc, proc_name, pos);
}
case ParameterValue_Value:
return ir_build_expr(proc, param_value.ast_value);
}
return ir_value_nil(parameter_type);
}
irValue *ir_build_expr_internal(irProcedure *proc, Ast *expr);
irValue *ir_build_expr(irProcedure *proc, Ast *expr) {
u64 prev_state_flags = proc->module->state_flags;
defer (proc->module->state_flags = prev_state_flags);
@@ -7562,20 +7597,7 @@ irValue *ir_build_call_expr(irProcedure *proc, Ast *expr) {
} else {
GB_ASSERT(e->kind == Entity_Variable);
if (args[i] == nullptr) {
switch (e->Variable.param_value.kind) {
case ParameterValue_Constant:
args[i] = ir_value_constant(e->type, e->Variable.param_value.value);
break;
case ParameterValue_Nil:
args[i] = ir_value_nil(e->type);
break;
case ParameterValue_Location:
args[i] = ir_emit_source_code_location(proc, proc->entity->token.string, ast_token(expr).pos);
break;
case ParameterValue_Value:
args[i] = ir_build_expr(proc, e->Variable.param_value.ast_value);
break;
}
args[i] = ir_handle_param_value(proc, e->type, e->Variable.param_value, ast_token(expr).pos);
} else {
args[i] = ir_emit_conv(proc, args[i], e->type);
}
@@ -7613,12 +7635,6 @@ irValue *ir_build_call_expr(irProcedure *proc, Ast *expr) {
bool vari_expand = ce->ellipsis.pos.line != 0;
bool is_c_vararg = pt->c_vararg;
String proc_name = {};
if (proc->entity != nullptr) {
proc_name = proc->entity->token.string;
}
TokenPos pos = ast_token(ce->proc).pos;
TypeTuple *param_tuple = nullptr;
if (pt->params) {
GB_ASSERT(pt->params->kind == Type_Tuple);
@@ -7658,21 +7674,7 @@ irValue *ir_build_call_expr(irProcedure *proc, Ast *expr) {
while (arg_index < end) {
Entity *e = param_tuple->variables[arg_index];
GB_ASSERT(e->kind == Entity_Variable);
switch (e->Variable.param_value.kind) {
case ParameterValue_Constant:
args[arg_index++] = ir_value_constant(e->type, e->Variable.param_value.value);
break;
case ParameterValue_Nil:
args[arg_index++] = ir_value_nil(e->type);
break;
case ParameterValue_Location:
args[arg_index++] = ir_emit_source_code_location(proc, proc_name, pos);
break;
case ParameterValue_Value:
args[arg_index++] = ir_build_expr(proc, e->Variable.param_value.ast_value);
break;
}
args[arg_index++] = ir_handle_param_value(proc, e->type, e->Variable.param_value, ast_token(expr).pos);
}
}
@@ -7753,20 +7755,7 @@ irValue *ir_build_call_expr(irProcedure *proc, Ast *expr) {
if (variadic && variadic_index+1 < param_count) {
for (isize i = variadic_index+1; i < param_count; i++) {
Entity *e = param_tuple->variables[i];
switch (e->Variable.param_value.kind) {
case ParameterValue_Constant:
args[i] = ir_value_constant(e->type, e->Variable.param_value.value);
break;
case ParameterValue_Nil:
args[i] = ir_value_nil(e->type);
break;
case ParameterValue_Location:
args[i] = ir_emit_source_code_location(proc, proc_name, pos);
break;
case ParameterValue_Value:
args[i] = ir_build_expr(proc, e->Variable.param_value.ast_value);
break;
}
args[i] = ir_handle_param_value(proc, e->type, e->Variable.param_value, ast_token(expr).pos);
}
}