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84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
#include <stdio.h>
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#define assert(cond, explanation) { if(!cond) { printf("Codegen assertion %s failed: %.*s\n", #cond, MD_S8VArg(explanation)); exit(1); } }
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#pragma warning(disable : 4996) // nonsense about fopen being insecure
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#pragma warning(push)
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#pragma warning(disable : 4244) // loss of data warning
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#pragma warning(disable : 4101) // unreferenced local variable
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#include "md.h"
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#include "md.c"
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#pragma warning(pop)
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MD_String8 OUTPUT_FOLDER = MD_S8LitComp("gen"); // no trailing slash
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MD_String8 ASSETS_FOLDER = MD_S8LitComp("assets");
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#define log(...) { printf("Codegen: "); printf(__VA_ARGS__); }
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void dump(MD_ParseResult parse) {
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// Iterate through each top-level node
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for(MD_EachNode(node, parse.node->first_child))
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{
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printf("/ %.*s\n", MD_S8VArg(node->string));
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// Print the name of each of the node's tags
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for(MD_EachNode(tag, node->first_tag))
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{
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printf("|-- Tag %.*s\n", MD_S8VArg(tag->string));
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}
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// Print the name of each of the node's children
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for(MD_EachNode(child, node->first_child))
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{
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printf("|-- Child %.*s\n", MD_S8VArg(child->string));
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}
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}
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}
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int main(int argc, char **argv) {
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MD_Arena *cg_arena = MD_ArenaAlloc();
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assert(cg_arena, MD_S8Lit("Memory"));
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// I hope to God MD_String8's are null terminated...
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MD_String8 writeto = MD_S8Fmt(cg_arena, "%.*s/assets.gen.c", MD_S8VArg(OUTPUT_FOLDER));
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log("Writing to %.*s\n", MD_S8VArg(writeto));
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FILE *output = fopen(writeto.str, "w");
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MD_ParseResult parse = MD_ParseWholeFile(cg_arena, MD_S8Lit("assets.mdesk"));
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//dump(parse);
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MD_String8List declarations_list = {0};
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MD_String8List load_list = {0};
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for(MD_EachNode(node, parse.node->first_child)) {
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if(MD_S8Match(node->first_tag->string, MD_S8Lit("image"), 0)) {
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MD_String8 variable_name = MD_S8Fmt(cg_arena, "image_%.*s", MD_S8VArg(node->string));
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log("New image variable %.*s\n", MD_S8VArg(variable_name));
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MD_String8 filepath = {0};
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for(MD_EachNode(child, node->first_child)) {
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if(MD_S8Match(child->string, MD_S8Lit("filepath"), 0)) {
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filepath = child->next->next->string;
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}
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}
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filepath = MD_S8Fmt(cg_arena, "%.*s/%.*s", MD_S8VArg(ASSETS_FOLDER), MD_S8VArg(filepath));
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assert(filepath.str != 0, MD_S8Fmt(cg_arena, "No filepath specified for image '%.*s'", MD_S8VArg(node->string)));
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FILE *asset_file = fopen(filepath.str, "r");
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assert(asset_file, MD_S8Fmt(cg_arena, "Could not open filepath %.*s for asset '%.*s'", MD_S8VArg(filepath), MD_S8VArg(node->string)));
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fclose(asset_file);
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MD_S8ListPush(cg_arena, &declarations_list, MD_S8Fmt(cg_arena, "sg_image %.*s = {0};\n", MD_S8VArg(variable_name)));
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MD_S8ListPush(cg_arena, &load_list, MD_S8Fmt(cg_arena, "%.*s = load_image(\"%.*s\");\n", MD_S8VArg(variable_name), MD_S8VArg(filepath)));
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}
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}
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MD_StringJoin join = MD_ZERO_STRUCT;
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MD_String8 declarations = MD_S8ListJoin(cg_arena, declarations_list, &join);
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MD_String8 loads = MD_S8ListJoin(cg_arena, load_list, &join);
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fprintf(output, "%.*s\nvoid load_assets() {\n%.*s\n}", MD_S8VArg(declarations), MD_S8VArg(loads));
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fclose(output);
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return 0;
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}
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