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4coder/meta/4ed_meta_generate_parser.cpp

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/*
* Mr. 4th Dimention - Allen Webster
*
* 30.05.2018
*
* Generate config parser procedures.
*
*/
// TOP
#include <stdio.h>
#include "../4ed_defines.h"
#include "4ed_meta_generate_parser.h"
#define ConfigOpClassList(M) \
M(ConfigVar , 1, Operations) \
M(CompoundMember , 1, Operations) \
M(TypedArrayStep , 0, Operations) \
M(TypedArrayCount , 0, Types ) \
M(TypedArrayRefernceList , 0, Types ) \
#define ConfigRValueTypeList(M) \
M(LValue , lvalue ) \
M(Boolean , bool ) \
M(Integer , int ) \
M(Float , float ) \
M(String , string ) \
M(Character, character) \
M(Compound , compound ) \
M(NoType , no_type ) \
enum{
#define ENUM(N,C,I) OpClass_##N,
ConfigOpClassList(ENUM)
#undef ENUM
OpClass_COUNT,
};
Op_Class op_class_array[] = {
#define MEMBER(N,C,I) {OpClassIterate_##I},
ConfigOpClassList(MEMBER)
#undef MEMBER
};
enum{
#define ENUM(N,P) Type_##N,
ConfigRValueTypeList(ENUM)
#undef ENUM
Type_COUNT,
};
char *type_names[Type_COUNT] = {
#define MEMBER(N,P) #N,
ConfigRValueTypeList(MEMBER)
#undef MEMBER
};
char *type_proc_names[Type_COUNT] = {
#define MEMBER(N,P) #P,
ConfigRValueTypeList(MEMBER)
#undef MEMBER
};
Operation operations[] = {
{Type_NoType , "has" , 0 , 0 , 0, 0, 0, 0},
{Type_Boolean, "bool" , "boolean" , "bool32" , 0, 0, 0, 0},
{Type_Integer, "int" , "integer" , "int32_t" , 0, 0, 0, 0},
{Type_Integer, "uint" , "uinteger", "uint32_t", 0, 0, 0, 0},
{Type_String , "string", "string" , "String" , 0, 0, 0, 0},
{Type_String, "placed_string", "string", "String",
", char *space, int32_t space_size",
", space, space_size",
0,
""
"if (success){\n"
"String str = *var_out;\n"
"*var_out = make_string_cap(space, 0, space_size);\n"
"copy(var_out, str);\n"
"}\n",
},
{Type_Character, "char" , "character", "char" , 0, 0, 0, 0},
{Type_Compound , "compound", "compound" , "Config_Compound*", 0, 0, 0, 0},
};
void
print_config_var(FILE *out, Operation *op){
fprintf(out, "static bool32\n");
fprintf(out, "config_%s_var(", op->proc_name);
fprintf(out, "Config *config, String var_name, int32_t subscript");
if (op->output_type != 0){
fprintf(out, ", %s* var_out", op->output_type);
}
if (op->extra_params != 0){
fprintf(out, "%s", op->extra_params);
}
fprintf(out, "){\n");
if (op->code_before != 0){
fprintf(out, "%s", op->code_before);
}
fprintf(out, "Config_Get_Result result = config_var(config, var_name, subscript);\n");
fprintf(out, "bool32 success = result.success && result.type == ConfigRValueType_%s;\n", type_names[op->r_type]);
if (op->output_type != 0){
fprintf(out, "if (success){\n");
fprintf(out, "*var_out = result.%s;\n", op->result_type);
fprintf(out, "}\n");
}
if (op->code_after != 0){
fprintf(out, "%s", op->code_after);
}
fprintf(out, "return(success);\n");
fprintf(out, "}\n\n");
fprintf(out, "static bool32\n");
fprintf(out, "config_%s_var(", op->proc_name);
fprintf(out, "Config *config, char *var_name, int32_t subscript");
if (op->output_type != 0){
fprintf(out, ", %s* var_out", op->output_type);
}
if (op->extra_params != 0){
fprintf(out, "%s", op->extra_params);
}
fprintf(out, "){\n");
if (op->code_before != 0){
fprintf(out, "%s", op->code_before);
}
fprintf(out, "String var_name_str = make_string_slowly(var_name);\n");
fprintf(out, "Config_Get_Result result = config_var(config, var_name_str, subscript);\n");
fprintf(out, "bool32 success = result.success && result.type == ConfigRValueType_%s;\n", type_names[op->r_type]);
if (op->output_type != 0){
fprintf(out, "if (success){\n");
fprintf(out, "*var_out = result.%s;\n", op->result_type);
fprintf(out, "}\n");
}
if (op->code_after != 0){
fprintf(out, "%s", op->code_after);
}
fprintf(out, "return(success);\n");
fprintf(out, "}\n\n");
}
void
print_compound_member(FILE *out, Operation *op){
fprintf(out, "static bool32\n");
fprintf(out, "config_compound_%s_member(", op->proc_name);
fprintf(out, "Config *config, Config_Compound *compound,\n");
fprintf(out, "String var_name, int32_t index");
if (op->output_type != 0){
fprintf(out, ", %s* var_out", op->output_type);
}
if (op->extra_params != 0){
fprintf(out, "%s", op->extra_params);
}
fprintf(out, "){\n");
if (op->code_before != 0){
fprintf(out, "%s", op->code_before);
}
fprintf(out, "Config_Get_Result result = config_compound_member(config, compound, var_name, index);\n");
fprintf(out, "bool32 success = result.success && result.type == ConfigRValueType_%s;\n", type_names[op->r_type]);
if (op->output_type != 0){
fprintf(out, "if (success){\n");
fprintf(out, "*var_out = result.%s;\n", op->result_type);
fprintf(out, "}\n");
}
if (op->code_after != 0){
fprintf(out, "%s", op->code_after);
}
fprintf(out, "return(success);\n");
fprintf(out, "}\n\n");
fprintf(out, "static bool32\n");
fprintf(out, "config_compound_%s_member(", op->proc_name);
fprintf(out, "Config *config, Config_Compound *compound,\n");
fprintf(out, "char *var_name, int32_t index");
if (op->output_type != 0){
fprintf(out, ", %s* var_out", op->output_type);
}
if (op->extra_params != 0){
fprintf(out, "%s", op->extra_params);
}
fprintf(out, "){\n");
fprintf(out, "String var_name_str = make_string_slowly(var_name);\n");
if (op->code_before != 0){
fprintf(out, "%s", op->code_before);
}
fprintf(out, "Config_Get_Result result = config_compound_member(config, compound, var_name_str, index);\n");
fprintf(out, "bool32 success = result.success && result.type == ConfigRValueType_%s;\n", type_names[op->r_type]);
if (op->output_type != 0){
fprintf(out, "if (success){\n");
fprintf(out, "*var_out = result.%s;\n", op->result_type);
fprintf(out, "}\n");
}
if (op->code_after != 0){
fprintf(out, "%s", op->code_after);
}
fprintf(out, "return(success);\n");
fprintf(out, "}\n\n");
}
void
print_typed_array(FILE *out, Operation *op){
fprintf(out, "static Iteration_Step_Result\n");
fprintf(out, "typed_%s_array_iteration_step(", op->proc_name);
fprintf(out, "Config *config, Config_Compound *compound, int32_t index");
if (op->output_type != 0){
fprintf(out, ", %s* var_out", op->output_type);
}
if (op->extra_params != 0){
fprintf(out, "\n%s", op->extra_params);
}
fprintf(out, "){\n");
if (op->code_before != 0){
fprintf(out, "%s", op->code_before);
}
fprintf(out, "Config_Iteration_Step_Result result = typed_array_iteration_step(config, compound, ConfigRValueType_%s, index);\n", type_names[op->r_type]);
if (op->output_type != 0 || op->code_after != 0){
fprintf(out, "bool32 success = (result.step == Iteration_Good);\n");
}
if (op->output_type != 0){
fprintf(out, "if (success){\n");
fprintf(out, "*var_out = result.get.%s;\n", op->result_type);
fprintf(out, "}\n");
}
if (op->code_after != 0){
fprintf(out, "%s", op->code_after);
}
fprintf(out, "return(result.step);\n");
fprintf(out, "}\n\n");
}
void
print_typed_array_count(FILE *out, int32_t r_type){
if (r_type == Type_LValue){
return;
}
fprintf(out, "static int32_t\n");
fprintf(out, "typed_%s_array_get_count(", type_proc_names[r_type]);
fprintf(out, "Config *config, Config_Compound *compound){\n");
fprintf(out, "int32_t count = typed_array_get_count(config, compound, ConfigRValueType_%s);\n",
type_names[r_type]);
fprintf(out, "return(count);\n");
fprintf(out, "}\n\n");
}
void
print_typed_array_reference_list(FILE *out, int32_t r_type){
if (r_type == Type_LValue){
return;
}
fprintf(out, "static Config_Get_Result_List\n");
fprintf(out, "typed_%s_array_reference_list(", type_proc_names[r_type]);
fprintf(out, "Partition *arena, Config *config, Config_Compound *compound){\n");
fprintf(out, "Config_Get_Result_List list = "
"typed_array_reference_list(arena, config, compound, ConfigRValueType_%s);\n",
type_names[r_type]);
fprintf(out, "return(list);\n");
fprintf(out, "}\n\n");
}
void
print_config_queries(void){
FILE *out = stdout;
for (int32_t i = 0; i < OpClass_COUNT; ++i){
Op_Class *op_class = &op_class_array[i];
switch (op_class->iteration_type){
case OpClassIterate_Operations:
{
Operation *op = operations;
for (int32_t j = 0; j < ArrayCount(operations); ++j, ++op){
switch (i){
case OpClass_ConfigVar:
{
print_config_var(out, op);
}break;
case OpClass_CompoundMember:
{
print_compound_member(out, op);
}break;
case OpClass_TypedArrayStep:
{
print_typed_array(out, op);
}break;
}
fflush(out);
}
}break;
case OpClassIterate_Types:
{
for (int32_t j = 0; j < Type_COUNT; ++j){
switch (i){
case OpClass_TypedArrayCount:
{
print_typed_array_count(out, j);
}break;
case OpClass_TypedArrayRefernceList:
{
print_typed_array_reference_list(out, j);
}break;
}
fflush(out);
}
}break;
}
}
}
int main(void){
print_config_queries();
return(0);
}
// BOTTOM
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