98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
// Logic for handling function type values
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#include <stdbool.h>
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#include "datatypes.h"
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#include "functiontype.h"
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#include "optionals.h"
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#include "structs.h"
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#include "tables.h"
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#include "text.h"
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#include "types.h"
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#include "util.h"
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typedef struct {
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Text_t filename, name;
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int64_t line_num;
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} func_info_t;
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static NamedType_t fields[] = {
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{.name="filename", .type=&Text$info},
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{.name="name", .type=&Text$info},
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{.name="line_num", .type=&Int64$info},
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};
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static const TypeInfo_t func_info_type = {.size=sizeof(func_info_t), .align=__alignof__(func_info_t), .metamethods=Struct$metamethods,
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.tag=StructInfo, .StructInfo.name="FuncInfo",
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.StructInfo.num_fields=3, .StructInfo.fields=fields};
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static Table_t function_info = {};
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public void register_function(void *fn, Text_t filename, int64_t line_num, Text_t name)
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{
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func_info_t info = {
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.filename=filename,
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.line_num=line_num,
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.name=name,
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};
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Table$set(&function_info, &fn, &info, Table$info(Function$info("???"), &func_info_type));
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}
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PUREFUNC static func_info_t *get_function_info(void *fn)
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{
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func_info_t *info = Table$get(function_info, &fn, Table$info(Function$info("???"), &func_info_type));
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if (info) return info;
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void *closest_fn = NULL;
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for (int64_t i = 0; i < function_info.entries.length; i++) {
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struct { void *fn; func_info_t info; } *entry = function_info.entries.data + i*function_info.entries.stride;
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if (entry->fn > fn || entry->fn < closest_fn) continue;
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closest_fn = entry->fn;
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info = &entry->info;
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}
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return info;
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}
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PUREFUNC public OptionalText_t get_function_name(void *fn)
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{
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func_info_t *info = get_function_info(fn);
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return info ? info->name : NONE_TEXT;
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}
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PUREFUNC public OptionalText_t get_function_filename(void *fn)
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{
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func_info_t *info = get_function_info(fn);
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return info ? info->filename : NONE_TEXT;
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}
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PUREFUNC public int64_t get_function_line_num(void *fn)
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{
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func_info_t *info = get_function_info(fn);
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return info ? info->line_num : -1;
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}
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public Text_t Func$as_text(const void *fn, bool colorize, const TypeInfo_t *type)
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{
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(void)fn;
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Text_t text = Text$from_str(type->FunctionInfo.type_str);
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if (fn) {
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OptionalText_t name = get_function_name(*(void**)fn);
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if (name.length >= 0)
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text = name;
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OptionalText_t filename = get_function_filename(*(void**)fn);
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int64_t line_num = get_function_line_num(*(void**)fn);
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if (filename.length >= 0)
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text = Text$format("%k [%k:%ld]", &text, &filename, line_num);
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}
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if (fn && colorize)
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text = Text$concat(Text("\x1b[32;1m"), text, Text("\x1b[m"));
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return text;
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}
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public PUREFUNC bool Func$is_none(const void *obj, const TypeInfo_t*)
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{
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return *(void**)obj == NULL;
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}
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// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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