100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
//
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// File: gs_meta_code_generator.h
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// Author: Peter Slattery
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// Creation Date: 2020-01-20
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//
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#ifndef GS_META_CODE_GENERATOR_H
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#include "../gs_libs/gs_string.h"
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#include "../gs_libs/gs_string_builder.h"
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enum gsm_code_gen_type
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{
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gsm_CodeGen_Enum,
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gsm_CodeGen_Count,
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};
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struct gsm_enum_generator
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{
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string Identifier;
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string Prefix;
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b32 EndsWithCount;
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};
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struct gsm_code_generator
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{
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gsm_code_gen_type Type;
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string_builder* Builder;
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union
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{
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gsm_enum_generator Enum;
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};
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};
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// ---------------
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// Enum
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// ---------------
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internal gsm_code_generator
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BeginEnumGeneration(string EnumIdentifier, string ValuePrefix, b32 StartsWithInvalid, b32 EndsWithCount)
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{
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gsm_code_generator Gen = {};
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// TODO(Peter): TEMP!!
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Gen.Builder = (string_builder*)malloc(sizeof(string_builder));
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*Gen.Builder = {};
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Gen.Type = gsm_CodeGen_Enum;
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Gen.Enum.Identifier = EnumIdentifier;
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Gen.Enum.Prefix = ValuePrefix;
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Gen.Enum.EndsWithCount = EndsWithCount;
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WriteF(Gen.Builder, "enum %S\n{\n", EnumIdentifier);
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if (StartsWithInvalid)
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{
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WriteF(Gen.Builder, " %S_Invalid,\n", ValuePrefix);
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}
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return Gen;
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}
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internal gsm_code_generator
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BeginEnumGeneration(char* EnumIdentifier, char* ValuePrefix, b32 StartsWithInvalid, b32 EndsWithCount)
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{
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return BeginEnumGeneration(MakeStringLiteral(EnumIdentifier),
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MakeStringLiteral(ValuePrefix),
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StartsWithInvalid,
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EndsWithCount);
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}
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internal void
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AddEnumElement(gsm_code_generator* Gen, string ElementIdentifier)
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{
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// TODO(Peter): Support const expr defining enum values
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Assert(Gen->Type == gsm_CodeGen_Enum);
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WriteF(Gen->Builder, " %S_%S,\n", Gen->Enum.Prefix, ElementIdentifier);
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}
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internal void
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AddEnumElement(gsm_code_generator* Gen, char* ElementIdentifier)
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{
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AddEnumElement(Gen, MakeStringLiteral(ElementIdentifier));
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}
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internal void
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FinishEnumGeneration(gsm_code_generator* Gen)
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{
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Assert(Gen->Type == gsm_CodeGen_Enum);
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if (Gen->Enum.EndsWithCount)
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{
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WriteF(Gen->Builder, " %S_Count,\n", Gen->Enum.Prefix);
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}
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WriteF(Gen->Builder, "};\n\n");
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}
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#define GS_META_CODE_GENERATOR_H
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#endif // GS_META_CODE_GENERATOR_H
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