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example

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This commit is contained in:
Timerix 2025-01-20 22:52:44 +05:00
parent f710aa4199
commit 5c9197436f
4 changed files with 28 additions and 8 deletions
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2
.vscode/launch.json vendored
View File

@ -7,7 +7,7 @@
"request": "launch",
"program": "${workspaceFolder}/bin/tcpu",
"windows": { "program": "${workspaceFolder}/bin/tcpu.exe" },
"args": [ "-c", "s.tasm", "o.bin" ],
"args": [ "-c", "../examples/s.tasm", "o.bin", "--debug" ],
"cwd": "${workspaceFolder}/bin",
"preLaunchTask": "build_exec_dbg",
"stopAtEntry": false,

14
examples/s.tasm Normal file
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@ -0,0 +1,14 @@
/*
"hello world" program in my assembly language
*/
// named data array
c8 msg "Hello, World :3\0"
push ax 1; // sys_write
push bx 1; // stdout
push cx @msg; // address of msg data
push dx #msg; // size of msg data
sys
push ax 0
exit

6
src/compiler/Compiler.c
View File

@ -61,7 +61,7 @@ static bool compileFile(Compiler* cmp, FILE* f){
return true;
}
bool Compiler_compile(Compiler* cmp, cstr source_file_name, cstr out_file_name, bool debug){
bool Compiler_compile(Compiler* cmp, cstr source_file_name, cstr out_file_name, bool debug_log){
FILE* f = fopen(source_file_name, "rb");
if(f == NULL)
returnError("ERROR: can't open file '%s'", source_file_name);
@ -94,14 +94,14 @@ bool Compiler_compile(Compiler* cmp, cstr source_file_name, cstr out_file_name,
returnError("ERROR: can't open file '%s'", out_file_name);
}
if(debug){
if(debug_log){
printf("----------------------------------[%s]---------------------------------\n", source_file_name);
fputs(cmp->code, stdout);
fputc('\n', stdout);
}
bool success = Compiler_lex(cmp);
if(debug){
if(debug_log){
printf("------------------------------------[lines]-----------------------------------\n");
for(u32 i = 0; i < cmp->line_lengths.len; i++){
printf("[%u] length: %u\n", i+1, cmp->line_lengths.data[i]);

14
src/main.c
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@ -5,7 +5,7 @@
#define arg_is(STR) (strcmp(argv[argi], STR) == 0)
i32 compileSources(cstr source_file, cstr out_file);
i32 compileSources(cstr source_file, cstr out_file, bool debug_log);
i32 bootFromImage(cstr image_file);
i32 main(const i32 argc, cstr* argv){
@ -21,6 +21,8 @@ i32 main(const i32 argc, cstr* argv){
cstr NULLABLE(out_file) = NULL;
cstr NULLABLE(source_file) = NULL;
bool debug_log = false;
for(i32 argi = 1; argi < argc; argi++){
if(arg_is("-h") || arg_is("--help")){
printf(
@ -28,6 +30,7 @@ i32 main(const i32 argc, cstr* argv){
"-op, --opcodes Show list of all instructions.\n"
"-i, --image [FILE] Boot VM using image file.\n"
"-c, --compile [SOURCE_FILE] [OUT_FILE] Compile assembly source files to machine code.\n"
"-d, --debug Enable debug log.\n"
);
return 0;
}
@ -72,6 +75,9 @@ i32 main(const i32 argc, cstr* argv){
}
out_file = argv[argi];
}
else if(arg_is("-d") || arg_is("--debug")){
debug_log = true;
}
else {
printfe("ERROR: unknown argument '%s'\n", argv[argi]);
return 1;
@ -80,7 +86,7 @@ i32 main(const i32 argc, cstr* argv){
i32 exit_code = 0;
if(compile){
exit_code = compileSources(source_file, out_file);
exit_code = compileSources(source_file, out_file, debug_log);
}
if(exit_code == 0 && boot){
exit_code = bootFromImage(image_file);
@ -131,10 +137,10 @@ i32 bootFromImage(cstr image_file){
return exit_code;
}
i32 compileSources(cstr source_file, cstr out_file){
i32 compileSources(cstr source_file, cstr out_file, bool debug_log){
Compiler cmp;
Compiler_init(&cmp);
bool success = Compiler_compile(&cmp, source_file, out_file, true);
bool success = Compiler_compile(&cmp, source_file, out_file, debug_log);
if(!success){
if(cmp.error_message){
printfe("COMPILER ERROR: %s\n", cmp.error_message);