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Move cmd to c

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This commit is contained in:
Krzosa Karol
2024-03-04 16:13:38 +01:00
parent 3f358584bb
commit 3f21a6722e
4 changed files with 74 additions and 63 deletions
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87
core/cmd.cpp → core/cmd.c
View File

@@ -1,38 +1,49 @@
CmdParser MakeCmdParser(MA_Arena *arena, int argc, char **argv) {
CmdParser result = {argc, argv};
result.decls = {arena};
CmdParser result = {argc, argv, arena};
return result;
}
void AddBool(CmdParser *p, bool *value, const char *name, const char *help) {
p->decls.add({CmdDeclKind_Bool, S8_MakeFromChar((char *)name), S8_MakeFromChar((char *)help), value});
void AddBool(CmdParser *p, bool *result, const char *name, const char *help) {
CmdDecl *decl = MA_PushStruct(p->arena, CmdDecl);
decl->kind = CmdDeclKind_Bool;
decl->name = S8_MakeFromChar((char *)name);
decl->help = S8_MakeFromChar((char *)help);
decl->bool_result = result;
SLL_QUEUE_ADD(p->fdecl, p->ldecl, decl);
}
void AddList(CmdParser *p, Array<S8_String> *list, const char *name, const char *help) {
p->decls.add({CmdDeclKind_List, S8_MakeFromChar((char *)name), S8_MakeFromChar((char *)help), 0, list});
void AddList(CmdParser *p, S8_List *result, const char *name, const char *help) {
CmdDecl *decl = MA_PushStruct(p->arena, CmdDecl);
decl->kind = CmdDeclKind_List;
decl->name = S8_MakeFromChar((char *)name);
decl->help = S8_MakeFromChar((char *)help);
decl->list_result = result;
SLL_QUEUE_ADD(p->fdecl, p->ldecl, decl);
}
void AddEnum(CmdParser *p, int *result, const char *name, const char *help, const char **enum_options, int enum_option_count) {
CmdDecl *decl = p->decls.alloc();
CmdDecl *decl = MA_PushStruct(p->arena, CmdDecl);
decl->kind = CmdDeclKind_Enum;
decl->name = S8_MakeFromChar((char *)name);
decl->help = S8_MakeFromChar((char *)help);
decl->enum_result = result;
decl->enum_options = enum_options;
decl->enum_option_count = enum_option_count;;
decl->enum_option_count = enum_option_count;
SLL_QUEUE_ADD(p->fdecl, p->ldecl, decl);
}
CmdDecl *FindDecl(CmdParser *p, S8_String name) {
For (p->decls) {
if (it.name == name) {
return &it;
for (CmdDecl *it = p->fdecl; it; it = it->next) {
if (S8_AreEqual(it->name, name, true)) {
return it;
}
}
return NULL;
}
S8_String StrEnumValues(MA_Arena *arena, CmdDecl *decl) {
S8_List list = {};
S8_List list = {0};
S8_AddF(arena, &list, "[");
for (int i = 0; i < decl->enum_option_count; i += 1) {
S8_AddF(arena, &list, "%s", decl->enum_options[i]);
@@ -43,20 +54,18 @@ S8_String StrEnumValues(MA_Arena *arena, CmdDecl *decl) {
}
void PrintCmdUsage(CmdParser *p) {
MA_Scratch scratch;
IO_Printf("\nhere are the supported commands:\n");
For(p->decls) {
if (it.kind == CmdDeclKind_List) {
S8_String example = S8_Format(scratch, "-%.*s a b c", S8_Expand(it.name));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it.help));
} else if (it.kind == CmdDeclKind_Bool) {
S8_String example = S8_Format(scratch, "-%.*s", S8_Expand(it.name));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it.help));
} else if (it.kind == CmdDeclKind_Enum) {
S8_String enum_vals = StrEnumValues(scratch, &it);
S8_String example = S8_Format(scratch, "-%.*s %.*s", S8_Expand(it.name), S8_Expand(enum_vals));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it.help));
for (CmdDecl *it = p->fdecl; it; it = it->next) {
if (it->kind == CmdDeclKind_List) {
S8_String example = S8_Format(p->arena, "-%.*s a b c", S8_Expand(it->name));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it->help));
} else if (it->kind == CmdDeclKind_Bool) {
S8_String example = S8_Format(p->arena, "-%.*s", S8_Expand(it->name));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it->help));
} else if (it->kind == CmdDeclKind_Enum) {
S8_String enum_vals = StrEnumValues(p->arena, it);
S8_String example = S8_Format(p->arena, "-%.*s %.*s", S8_Expand(it->name), S8_Expand(enum_vals));
IO_Printf("%-30.*s %.*s\n", S8_Expand(example), S8_Expand(it->help));
} else IO_Todo();
}
}
@@ -67,11 +76,11 @@ bool InvalidCmdArg(CmdParser *p, S8_String arg) {
return false;
}
bool ParseCmd(CmdParser *p) {
bool ParseCmd(MA_Arena *arg_arena, CmdParser *p) {
for (int i = 1; i < p->argc; i += 1) {
S8_String arg = S8_MakeFromChar(p->argv[i]);
if (arg == "--help" || arg == "-h" || arg == "-help") {
if (S8_AreEqual(arg, S8_Lit("--help"), true) || S8_AreEqual(arg, S8_Lit("-h"), true) || S8_AreEqual(arg, S8_Lit("-help"), true)) {
PrintCmdUsage(p);
return false;
}
@@ -94,7 +103,7 @@ bool ParseCmd(CmdParser *p) {
bool found_option = false;
for (int i = 0; i < decl->enum_option_count; i += 1) {
S8_String option = S8_MakeFromChar((char *)decl->enum_options[i]);
if (option == option_from_cmd) {
if (S8_AreEqual(option, option_from_cmd, true)) {
*decl->enum_result = i;
found_option = true;
break;
@@ -102,8 +111,7 @@ bool ParseCmd(CmdParser *p) {
}
if (!found_option) {
MA_Scratch scratch;
IO_Printf("expected one of the enum values: %.*s", S8_Expand(StrEnumValues(scratch, decl)));
IO_Printf("expected one of the enum values: %.*s", S8_Expand(StrEnumValues(p->arena, decl)));
IO_Printf(" got instead: %.*s\n", S8_Expand(option_from_cmd));
PrintCmdUsage(p);
return false;
@@ -121,7 +129,7 @@ bool ParseCmd(CmdParser *p) {
break;
}
decl->list_result->add(arg);
S8_AddNode(arg_arena, decl->list_result, arg);
}
} else IO_Todo();
@@ -149,25 +157,24 @@ void TestCmdParser() {
};
int argc = MA_Lengthof(argv);
MA_Scratch scratch;
MA_Checkpoint scratch = MA_GetScratch();
bool build_scratch = false;
Array<S8_String> test_list = {scratch};
Array<S8_String> test_things = {scratch};
S8_List test_list = {0};
S8_List test_things = {0};
int build_profile = 0;
const char *build_profiles[] = {"debug", "release"};
int build_profiles_count = MA_Lengthof(build_profiles);
CmdParser p = MakeCmdParser(scratch, argc, argv);
CmdParser p = MakeCmdParser(scratch.arena, argc, argv);
AddBool(&p, &build_scratch, "build_scratch", "builds a sandbox where I experiment with things");
AddList(&p, &test_list, "tests", "list of specific tests to run");
AddList(&p, &test_things, "things", "list of things");
AddEnum(&p, &build_profile, "build", "choose build profile", build_profiles, build_profiles_count);
bool success = ParseCmd(&p);
bool success = ParseCmd(scratch.arena, &p);
IO_Assertf(success, "failed to parse cmd");
IO_Assert(build_scratch);
IO_Assert(test_list.len == 3);
IO_Assert(test_list[2] == "c");
IO_Assert(test_list[0] == "a");
IO_Assert(test_things.len == 2);
IO_Assert(test_list.node_count == 3);
IO_Assert(test_things.node_count == 2);
IO_Assert(build_profile == 1);
MA_ReleaseScratch(scratch);
}

16
core/cmd.h
View File

@@ -1,25 +1,31 @@
enum CmdDeclKind {
typedef enum {
CmdDeclKind_Bool,
CmdDeclKind_List,
CmdDeclKind_Enum,
};
} CmdDeclKind;
typedef struct CmdDecl CmdDecl;
struct CmdDecl {
CmdDecl *next;
CmdDeclKind kind;
S8_String name;
S8_String help;
bool *bool_result;
Array<S8_String> *list_result;
S8_List *list_result;
int *enum_result;
const char **enum_options;
int enum_option_count;
};
typedef struct CmdParser CmdParser;
struct CmdParser {
int argc;
char **argv;
Array<CmdDecl> decls;
MA_Arena *arena;
CmdDecl *fdecl;
CmdDecl *ldecl;
};

4
core/core.c
View File

@@ -19,9 +19,7 @@
#include "../standalone_libraries/load_library.c"
#include "filesystem.c"
#if LANG_CPP
#include "cmd.cpp"
#endif
#include "cmd.c"
/*
- I think it's okay to say that strings being null terminated should be mostly treated as NOT terminated but leave some

2
core/core.h
View File

@@ -13,6 +13,7 @@
#include "../standalone_libraries/multimedia.h"
#include "../standalone_libraries/load_library.h"
#include "filesystem.h"
#include "cmd.h"
#if LANG_CPP
#include "../standalone_libraries/defer.hpp"
@@ -30,7 +31,6 @@
#define ARRAY_SET_DEFAULT_ALLOCATOR \
if (!allocator.p) allocator = M_GetSystemAllocator();
#include "../standalone_libraries/array.hpp"
#include "cmd.h"
#endif
#endif