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tomo/tomo.c

691 lines
29 KiB
C
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// The main program that runs compilation
#include <ctype.h>
#include <errno.h>
#include <gc.h>
#include <gc/cord.h>
#include <libgen.h>
#include <printf.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include "ast.h"
#include "compile.h"
#include "cordhelpers.h"
#include "parse.h"
#include "repl.h"
#include "stdlib/arrays.h"
#include "stdlib/bools.h"
#include "stdlib/datatypes.h"
#include "stdlib/integers.h"
#include "stdlib/optionals.h"
#include "stdlib/patterns.h"
#include "stdlib/paths.h"
#include "stdlib/text.h"
#include "typecheck.h"
#include "types.h"
#define run_cmd(...) ({ const char *_cmd = heap_strf(__VA_ARGS__); if (verbose) printf("\033[34;1m%s\033[m\n", _cmd); popen(_cmd, "w"); })
#define array_str(arr) Text$as_c_string(Text$join(Text(" "), arr))
static const char *paths_str(Array_t paths) {
Text_t result = EMPTY_TEXT;
for (int64_t i = 0; i < paths.length; i++) {
if (i > 0) result = Texts(result, Text(" "));
result = Texts(result, Path$as_text((Path_t*)(paths.data + i*paths.stride), false, &Path$info));
}
return Text$as_c_string(result);
}
static OptionalArray_t files = NONE_ARRAY,
args = NONE_ARRAY,
uninstall = NONE_ARRAY,
libraries = NONE_ARRAY;
static OptionalBool_t verbose = false,
quiet = false,
stop_at_transpile = false,
stop_at_obj_compilation = false,
stop_at_exe_compilation = false,
should_install = false,
run_repl = false;
static OptionalText_t
show_codegen = NONE_TEXT,
cflags = Text("-Werror -fdollars-in-identifiers -std=gnu11 -Wno-trigraphs -fsanitize=signed-integer-overflow -fno-sanitize-recover"
" -fno-signed-zeros -fno-finite-math-only -fno-signaling-nans -fno-trapping-math"
" -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -D_DEFAULT_SOURCE -fPIC -ggdb"
" -DGC_THREADS"
" -I$HOME/.local/share/tomo/installed"),
ldlibs = Text("-lgc -lgmp -lm -ltomo"),
ldflags = Text("-Wl,-rpath='$ORIGIN',-rpath=$HOME/.local/share/tomo/lib -L. -L$HOME/.local/share/tomo/lib"),
optimization = Text("2"),
cc = Text("gcc");
static void transpile_header(env_t *base_env, Path_t path, bool force_retranspile);
static void transpile_code(env_t *base_env, Path_t path, bool force_retranspile);
static void compile_object_file(Path_t path, bool force_recompile);
static Path_t compile_executable(env_t *base_env, Path_t path, Array_t object_files, Array_t extra_ldlibs);
static void build_file_dependency_graph(Path_t path, Table_t *to_compile, Table_t *to_link);
static Text_t escape_lib_name(Text_t lib_name);
static void build_library(Text_t lib_dir_name);
static void compile_files(env_t *env, Array_t files, bool only_compile_arguments, Array_t *object_files, Array_t *ldlibs);
static bool is_stale(Path_t path, Path_t relative_to);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstack-protector"
int main(int argc, char *argv[])
{
if (register_printf_specifier('T', printf_type, printf_pointer_size))
errx(1, "Couldn't set printf specifier");
if (register_printf_specifier('W', printf_ast, printf_pointer_size))
errx(1, "Couldn't set printf specifier");
if (register_printf_specifier('k', printf_text, printf_text_size))
errx(1, "Couldn't set printf specifier");
// Run a tool:
if ((streq(argv[1], "-r") || streq(argv[1], "--run")) && argc >= 3) {
if (strcspn(argv[2], "/;$") == strlen(argv[2])) {
const char *program = heap_strf("%s/.local/share/tomo/installed/%s/%s", getenv("HOME"), argv[2], argv[2]);
execv(program, &argv[2]);
}
errx(1, "This is not an installed tomo program: \033[31;1m%s\033[m", argv[2]);
}
Text_t usage = Text("\x1b[33;4;1mUsage:\x1b[m\n"
"\x1b[1mRun a program:\x1b[m tomo file.tm [-- args...]\n"
"\x1b[1mTranspile files:\x1b[m tomo -t file.tm...\n"
"\x1b[1mCompile object files:\x1b[m tomo -c file.tm...\n"
"\x1b[1mCompile executables:\x1b[m tomo -e file.tm...\n"
"\x1b[1mBuild libraries:\x1b[m tomo -L lib...\n"
"\x1b[1mUninstall libraries:\x1b[m tomo -u lib...\n"
"\x1b[1mOther flags:\x1b[m\n"
" --verbose|-v: verbose output\n"
" --quiet|-q: quiet output\n"
" --install|-I: install the executable or library\n"
" --c-compiler <compiler>: the C compiler to use (default: cc)\n"
" --optimization|-O <level>: set optimization level\n"
" --run|-r: run a program from ~/.local/share/tomo/installed\n"
);
Text_t help = Texts(Text("\x1b[1mtomo\x1b[m: a compiler for the Tomo programming language"), Text("\n\n"), usage);
tomo_parse_args(
argc, argv, usage, help,
{"files", true, Array$info(&Path$info), &files},
{"args", true, Array$info(&Text$info), &args},
{"verbose", false, &Bool$info, &verbose},
{"v", false, &Bool$info, &verbose},
{"quiet", false, &Bool$info, &quiet},
{"q", false, &Bool$info, &quiet},
{"transpile", false, &Bool$info, &stop_at_transpile},
{"t", false, &Bool$info, &stop_at_transpile},
{"compile-obj", false, &Bool$info, &stop_at_obj_compilation},
{"c", false, &Bool$info, &stop_at_obj_compilation},
{"compile-exe", false, &Bool$info, &stop_at_exe_compilation},
{"e", false, &Bool$info, &stop_at_exe_compilation},
{"uninstall", false, Array$info(&Text$info), &uninstall},
{"u", false, Array$info(&Text$info), &uninstall},
{"library", false, Array$info(&Path$info), &libraries},
{"L", false, Array$info(&Path$info), &libraries},
{"show-codegen", false, &Text$info, &show_codegen},
{"C", false, &Text$info, &show_codegen},
{"repl", false, &Bool$info, &run_repl},
{"R", false, &Bool$info, &run_repl},
{"install", false, &Bool$info, &should_install},
{"I", false, &Bool$info, &should_install},
{"c-compiler", false, &Text$info, &cc},
{"optimization", false, &Text$info, &optimization},
{"O", false, &Text$info, &optimization},
);
if (show_codegen.length > 0 && Text$equal_values(show_codegen, Text("pretty")))
show_codegen = Text("sed '/^#line/d;/^$/d' | indent -o /dev/stdout | bat -l c -P");
for (int64_t i = 0; i < uninstall.length; i++) {
Text_t *u = (Text_t*)(uninstall.data + i*uninstall.stride);
system(heap_strf("rm -rvf ~/.local/share/tomo/installed/%k ~/.local/share/tomo/lib/lib%k.so", u, u));
printf("Uninstalled %k\n", u);
}
for (int64_t i = 0; i < libraries.length; i++) {
Path_t *lib = (Path_t*)(libraries.data + i*libraries.stride);
const char *lib_str = Path$as_c_string(*lib);
char *cwd = get_current_dir_name();
if (chdir(lib_str) != 0)
errx(1, "Could not enter directory: %s", lib_str);
char *libdir = get_current_dir_name();
char *libdirname = basename(libdir);
build_library(Text$from_str(libdirname));
free(libdir);
chdir(cwd);
free(cwd);
}
// TODO: REPL
if (run_repl) {
repl();
return 0;
}
if (files.length <= 0 && (uninstall.length > 0 || libraries.length > 0)) {
return 0;
}
// Convert `foo` to `foo/foo.tm`
for (int64_t i = 0; i < files.length; i++) {
Path_t *path = (Path_t*)(files.data + i*files.stride);
if (Path$is_directory(*path, true))
*path = Path$with_component(*path, Texts(Path$base_name(*path), Text(".tm")));
}
// Run file directly:
if (!stop_at_transpile && !stop_at_obj_compilation && !stop_at_exe_compilation) {
if (files.length < 1)
errx(1, "No file specified!");
else if (files.length != 1)
errx(1, "Too many files specified!");
quiet = !verbose;
Path_t path = *(Path_t*)files.data;
env_t *env = global_env();
Array_t object_files = {},
extra_ldlibs = {};
compile_files(env, files, false, &object_files, &extra_ldlibs);
Path_t exe_name = compile_executable(env, path, object_files, extra_ldlibs);
char *prog_args[1 + args.length + 1];
prog_args[0] = (char*)Path$as_c_string(exe_name);
for (int64_t i = 0; i < args.length; i++)
prog_args[i + 1] = Text$as_c_string(*(Text_t*)(args.data + i*args.stride));
prog_args[1 + args.length] = NULL;
execv(prog_args[0], prog_args);
errx(1, "Failed to run compiled program");
} else {
env_t *env = global_env();
Array_t object_files = {},
extra_ldlibs = {};
compile_files(env, files, stop_at_obj_compilation, &object_files, &extra_ldlibs);
if (stop_at_obj_compilation || stop_at_transpile)
return 0;
for (int64_t i = 0; i < files.length; i++) {
Path_t path = *(Path_t*)(files.data + i*files.stride);
Path_t bin_name = compile_executable(env, path, object_files, extra_ldlibs);
if (should_install)
system(heap_strf("cp -v '%s' ~/.local/bin/", Path$as_c_string(bin_name)));
}
return 0;
}
}
#pragma GCC diagnostic pop
Text_t escape_lib_name(Text_t lib_name)
{
return Text$replace(lib_name, Pattern("{1+ !alphanumeric}"), Text("_"), Pattern(""), false);
}
static Path_t build_file(Path_t path, const char *extension)
{
Path_t build_dir = Path$with_component(Path$parent(path), Text(".build"));
if (mkdir(Path$as_c_string(build_dir), 0777) != 0) {
if (errno != EEXIST)
err(1, "Could not make .build directory");
}
return Path$with_component(build_dir, Texts(Path$base_name(path), Text$from_str(extension)));
}
typedef struct {
env_t *env;
Table_t *used_imports;
FILE *output;
} libheader_info_t;
static void _compile_statement_header_for_library(libheader_info_t *info, ast_t *ast)
{
if (ast->tag == Declare && Match(ast, Declare)->value->tag == Use)
ast = Match(ast, Declare)->value;
if (ast->tag == Use) {
auto use = Match(ast, Use);
if (use->what == USE_LOCAL)
return;
Path_t path = Path$from_str(use->path);
if (!Table$get(*info->used_imports, &path, Table$info(&Path$info, &Path$info))) {
Table$set(info->used_imports, &path, ((Bool_t[1]){1}), Table$info(&Text$info, &Bool$info));
CORD_put(compile_statement_type_header(info->env, ast), info->output);
CORD_put(compile_statement_namespace_header(info->env, ast), info->output);
}
} else {
CORD_put(compile_statement_type_header(info->env, ast), info->output);
CORD_put(compile_statement_namespace_header(info->env, ast), info->output);
}
}
static void _make_typedefs_for_library(libheader_info_t *info, ast_t *ast)
{
if (ast->tag == StructDef) {
auto def = Match(ast, StructDef);
CORD full_name = CORD_cat(namespace_prefix(info->env, info->env->namespace), def->name);
CORD_put(CORD_all("typedef struct ", full_name, "$$struct ", full_name, "$$type;\n"), info->output);
} else if (ast->tag == EnumDef) {
auto def = Match(ast, EnumDef);
CORD full_name = CORD_cat(namespace_prefix(info->env, info->env->namespace), def->name);
CORD_put(CORD_all("typedef struct ", full_name, "$$struct ", full_name, "$$type;\n"), info->output);
for (tag_ast_t *tag = def->tags; tag; tag = tag->next) {
if (!tag->fields) continue;
CORD_put(CORD_all("typedef struct ", full_name, "$", tag->name, "$$struct ", full_name, "$", tag->name, "$$type;\n"), info->output);
}
} else if (ast->tag == LangDef) {
auto def = Match(ast, LangDef);
CORD_put(CORD_all("typedef Text_t ", namespace_prefix(info->env, info->env->namespace), def->name, "$$type;\n"), info->output);
}
}
static void _compile_file_header_for_library(env_t *env, Path_t path, Table_t *visited_files, Table_t *used_imports, FILE *output)
{
if (Table$get(*visited_files, &path, Table$info(&Path$info, &Bool$info)))
return;
Table$set(visited_files, &path, ((Bool_t[1]){1}), Table$info(&Path$info, &Bool$info));
ast_t *file_ast = parse_file(Path$as_c_string(path), NULL);
if (!file_ast) errx(1, "Could not parse file %s", Path$as_c_string(path));
env_t *module_env = load_module_env(env, file_ast);
libheader_info_t info = {
.env=module_env,
.used_imports=used_imports,
.output=output,
};
// Visit files in topological order:
for (ast_list_t *stmt = Match(file_ast, Block)->statements; stmt; stmt = stmt->next) {
ast_t *ast = stmt->ast;
if (ast->tag == Declare)
ast = Match(ast, Declare)->value;
if (ast->tag != Use) continue;
auto use = Match(ast, Use);
if (use->what == USE_LOCAL) {
Path_t resolved = Path$resolved(Path$from_str(use->path), Path("./"));
_compile_file_header_for_library(env, resolved, visited_files, used_imports, output);
}
}
visit_topologically(
Match(file_ast, Block)->statements, (Closure_t){.fn=(void*)_make_typedefs_for_library, &info});
visit_topologically(
Match(file_ast, Block)->statements, (Closure_t){.fn=(void*)_compile_statement_header_for_library, &info});
CORD_fprintf(output, "void %r$initialize(void);\n", namespace_prefix(module_env, module_env->namespace));
}
void build_library(Text_t lib_dir_name)
{
Array_t tm_files = Path$glob(Path("./[!._0-9]*.tm"));
env_t *env = fresh_scope(global_env());
Array_t object_files = {},
extra_ldlibs = {};
compile_files(env, tm_files, false, &object_files, &extra_ldlibs);
// Library name replaces all stretchs of non-alphanumeric chars with an underscore
// So e.g. https://github.com/foo/baz --> https_github_com_foo_baz
env->libname = Text$as_c_string(escape_lib_name(lib_dir_name));
// Build a "whatever.h" header that loads all the headers:
FILE *header = fopen(heap_strf("%k.h", &lib_dir_name), "w");
fputs("#pragma once\n", header);
fputs("#include <tomo/tomo.h>\n", header);
Table_t visited_files = {};
Table_t used_imports = {};
for (int64_t i = 0; i < tm_files.length; i++) {
Path_t f = *(Path_t*)(tm_files.data + i*tm_files.stride);
Path_t resolved = Path$resolved(f, Path("."));
_compile_file_header_for_library(env, resolved, &visited_files, &used_imports, header);
}
if (fclose(header) == -1)
errx(1, "Failed to write header file: %k.h", &lib_dir_name);
// Build up a list of symbol renamings:
unlink(".build/symbol_renames.txt");
FILE *prog;
for (int64_t i = 0; i < tm_files.length; i++) {
Path_t f = *(Path_t*)(tm_files.data + i*tm_files.stride);
prog = run_cmd("nm -Ug -fjust-symbols '%s' | sed -n 's/_\\$\\(.*\\)/\\0 _$%s$\\1/p' >>.build/symbol_renames.txt",
Path$as_c_string(build_file(f, ".o")), CORD_to_const_char_star(env->libname));
if (!prog) errx(1, "Could not find symbols!");
int status = pclose(prog);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
errx(WEXITSTATUS(status), "Failed to create symbol rename table with `nm` and `sed`");
}
prog = run_cmd("%k -O%k %k %k %k %s -Wl,-soname='lib%k.so' -shared %s -o 'lib%k.so'",
&cc, &optimization, &cflags, &ldflags, &ldlibs, array_str(extra_ldlibs), &lib_dir_name,
paths_str(object_files), &lib_dir_name);
if (!prog)
errx(1, "Failed to run C compiler: %k", &cc);
int status = pclose(prog);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
exit(EXIT_FAILURE);
if (!quiet)
printf("Compiled library:\tlib%k.so\n", &lib_dir_name);
prog = run_cmd("objcopy --redefine-syms=.build/symbol_renames.txt 'lib%k.so'", &lib_dir_name);
status = pclose(prog);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
errx(WEXITSTATUS(status), "Failed to run `objcopy` to add library prefix to symbols");
prog = run_cmd("patchelf --rename-dynamic-symbols .build/symbol_renames.txt 'lib%k.so'", &lib_dir_name);
status = pclose(prog);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
errx(WEXITSTATUS(status), "Failed to run `patchelf` to rename dynamic symbols with library prefix");
if (verbose)
CORD_printf("Successfully renamed symbols with library prefix!\n");
// unlink(".build/symbol_renames.txt");
if (should_install) {
char *library_directory = get_current_dir_name();
const char *dest = heap_strf("%s/.local/share/tomo/installed/%k", getenv("HOME"), &lib_dir_name);
if (!streq(library_directory, dest)) {
system(heap_strf("rm -rf '%s'", dest));
system(heap_strf("mkdir -p '%s'", dest));
system(heap_strf("cp -r * '%s/'", dest));
}
system("mkdir -p ~/.local/share/tomo/lib/");
system(heap_strf("ln -f -s ../installed/'%k'/lib'%k'.so ~/.local/share/tomo/lib/lib'%k'.so",
&lib_dir_name, &lib_dir_name, &lib_dir_name));
printf("Installed \033[1m%k\033[m to ~/.local/share/tomo/installed\n", &lib_dir_name);
free(library_directory);
}
}
void compile_files(env_t *env, Array_t to_compile, bool only_compile_arguments, Array_t *object_files, Array_t *extra_ldlibs)
{
TypeInfo_t *path_table_info = Table$info(&Path$info, &Path$info);
Table_t to_link = {};
Table_t argument_files = {};
Table_t dependency_files = {};
for (int64_t i = 0; i < to_compile.length; i++) {
Path_t filename = *(Path_t*)(to_compile.data + i*to_compile.stride);
Text_t extension = Path$extension(filename, true);
if (!Text$equal_values(extension, Text("tm")))
errx(1, "Not a valid .tm file: \x1b[31;1m%s\x1b[m", Path$as_c_string(filename));
Path_t resolved = Path$resolved(filename, Path("./"));
if (!Path$is_file(resolved, true))
errx(1, "Couldn't find file: %s", Path$as_c_string(resolved));
Table$set(&argument_files, &resolved, &filename, path_table_info);
build_file_dependency_graph(resolved, &dependency_files, &to_link);
}
int status;
// (Re)compile header files, eagerly for explicitly passed in files, lazily
// for downstream dependencies:
for (int64_t i = 0; i < dependency_files.entries.length; i++) {
Path_t filename = *(Path_t*)(dependency_files.entries.data + i*dependency_files.entries.stride);
bool is_argument_file = (Table$get(argument_files, &filename, path_table_info) != NULL);
transpile_header(env, filename, is_argument_file);
}
env->imports = new(Table_t);
struct child_s {
struct child_s *next;
pid_t pid;
} *child_processes = NULL;
// (Re)transpile and compile object files, eagerly for files explicitly
// specified and lazily for downstream dependencies:
for (int64_t i = 0; i < dependency_files.entries.length; i++) {
struct {
Path_t filename;
bool stale;
} *entry = (dependency_files.entries.data + i*dependency_files.entries.stride);
bool is_argument_file = (Table$get(argument_files, &entry->filename, path_table_info) != NULL);
if (!is_argument_file && (!entry->stale || only_compile_arguments))
continue;
pid_t pid = fork();
if (pid == 0) {
transpile_code(env, entry->filename, true);
if (!stop_at_transpile)
compile_object_file(entry->filename, true);
_exit(EXIT_SUCCESS);
}
child_processes = new(struct child_s, .next=child_processes, .pid=pid);
}
for (; child_processes; child_processes = child_processes->next) {
waitpid(child_processes->pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
exit(EXIT_FAILURE);
}
if (object_files) {
for (int64_t i = 0; i < dependency_files.entries.length; i++) {
Path_t path = *(Path_t*)(dependency_files.entries.data + i*dependency_files.entries.stride);
path = build_file(path, ".o");
Array$insert(object_files, &path, I(0), sizeof(Path_t));
}
}
if (extra_ldlibs) {
for (int64_t i = 0; i < to_link.entries.length; i++) {
Text_t lib = *(Text_t*)(to_link.entries.data + i*to_link.entries.stride);
Array$insert(extra_ldlibs, &lib, I(0), sizeof(Text_t));
}
}
}
void build_file_dependency_graph(Path_t path, Table_t *to_compile, Table_t *to_link)
{
if (Table$get(*to_compile, &path, Table$info(&Path$info, &Bool$info)))
return;
bool stale = is_stale(build_file(path, ".o"), path);
Table$set(to_compile, &path, &stale, Table$info(&Path$info, &Bool$info));
assert(Text$equal_values(Path$extension(path, true), Text("tm")));
ast_t *ast = parse_file(Path$as_c_string(path), NULL);
if (!ast)
errx(1, "Could not parse file %s", Path$as_c_string(path));
for (ast_list_t *stmt = Match(ast, Block)->statements; stmt; stmt = stmt->next) {
ast_t *stmt_ast = stmt->ast;
if (stmt_ast->tag == Declare)
stmt_ast = Match(stmt_ast, Declare)->value;
if (stmt_ast->tag != Use) continue;
auto use = Match(stmt_ast, Use);
switch (use->what) {
case USE_LOCAL: {
Path_t resolved = Path$resolved(Path$from_str(use->path), Path$parent(path));
if (!stale && is_stale(build_file(path, ".o"), resolved)) {
stale = true;
Table$set(to_compile, &path, &stale, Table$info(&Path$info, &Bool$info));
}
if (Table$get(*to_compile, &resolved, Table$info(&Path$info, &Path$info)))
continue;
build_file_dependency_graph(resolved, to_compile, to_link);
break;
}
case USE_MODULE: {
Text_t lib = Text$format("'%s/.local/share/tomo/installed/%s/lib%s.so'", getenv("HOME"), use->path, use->path);
Table$set(to_link, &lib, ((Bool_t[1]){1}), Table$info(&Text$info, &Bool$info));
Array_t children = Path$glob(Path$from_str(heap_strf("%s/.local/share/tomo/installed/%s/*.tm", getenv("HOME"), use->path)));
for (int64_t i = 0; i < children.length; i++) {
Path_t *child = (Path_t*)(children.data + i*children.stride);
Table_t discarded = {.fallback=to_compile};
build_file_dependency_graph(*child, &discarded, to_link);
}
break;
}
case USE_SHARED_OBJECT: {
Text_t lib = Text$format("-l:%s", use->path);
Table$set(to_link, &lib, ((Bool_t[1]){1}), Table$info(&Text$info, &Bool$info));
break;
}
case USE_ASM: {
Text_t linker_text = Path$as_text(&use->path, false, &Path$info);
Table$set(to_link, &linker_text, ((Bool_t[1]){1}), Table$info(&Text$info, &Bool$info));
break;
}
default: case USE_HEADER: break;
}
}
}
bool is_stale(Path_t path, Path_t relative_to)
{
struct stat target_stat;
if (stat(Path$as_c_string(path), &target_stat) != 0)
return true;
struct stat relative_to_stat;
if (stat(Path$as_c_string(relative_to), &relative_to_stat) != 0)
errx(1, "File doesn't exist: %s", Path$as_c_string(relative_to));
return target_stat.st_mtime < relative_to_stat.st_mtime;
}
void transpile_header(env_t *base_env, Path_t path, bool force_retranspile)
{
Path_t h_filename = build_file(path, ".h");
if (!force_retranspile && !is_stale(h_filename, path))
return;
ast_t *ast = parse_file(Path$as_c_string(path), NULL);
if (!ast)
errx(1, "Could not parse file %s", Path$as_c_string(path));
env_t *module_env = load_module_env(base_env, ast);
CORD h_code = compile_file_header(module_env, ast);
FILE *header = fopen(Path$as_c_string(h_filename), "w");
if (!header)
errx(1, "Failed to open header file: %s", Path$as_c_string(h_filename));
CORD_put(h_code, header);
if (fclose(header) == -1)
errx(1, "Failed to write header file: %s", Path$as_c_string(h_filename));
if (!quiet)
printf("Transpiled header:\t%s\n", Path$as_c_string(h_filename));
if (show_codegen.length > 0)
system(heap_strf("<%s %k", Path$as_c_string(h_filename), &show_codegen));
}
void transpile_code(env_t *base_env, Path_t path, bool force_retranspile)
{
Path_t c_filename = build_file(path, ".c");
if (!force_retranspile && !is_stale(c_filename, path))
return;
ast_t *ast = parse_file(Path$as_c_string(path), NULL);
if (!ast)
errx(1, "Could not parse file %s", Path$as_c_string(path));
env_t *module_env = load_module_env(base_env, ast);
CORD c_code = compile_file(module_env, ast);
FILE *c_file = fopen(Path$as_c_string(c_filename), "w");
if (!c_file)
errx(1, "Failed to write C file: %s", Path$as_c_string(c_filename));
CORD_put(c_code, c_file);
binding_t *main_binding = get_binding(module_env, "main");
if (main_binding && main_binding->type->tag == FunctionType) {
type_t *ret = Match(main_binding->type, FunctionType)->ret;
if (ret->tag != VoidType && ret->tag != AbortType)
compiler_err(ast->file, ast->start, ast->end, "The main() function in this file has a return type of %T, but it should not have any return value!", ret);
CORD_put(CORD_all(
"int ", main_binding->code, "$parse_and_run(int argc, char *argv[]) {\n"
"#line 1\n"
"tomo_init();\n",
"_$", module_env->namespace->name, "$$initialize();\n"
"\n",
compile_cli_arg_call(module_env, main_binding->code, main_binding->type),
"return 0;\n"
"}\n"), c_file);
}
if (fclose(c_file) == -1)
errx(1, "Failed to output C code to %s", Path$as_c_string(c_filename));
if (!quiet)
printf("Transpiled code:\t%s\n", Path$as_c_string(c_filename));
if (show_codegen.length > 0)
system(heap_strf("<%s %k", Path$as_c_string(c_filename), &show_codegen));
}
void compile_object_file(Path_t path, bool force_recompile)
{
Path_t obj_file = build_file(path, ".o");
Path_t c_file = build_file(path, ".c");
Path_t h_file = build_file(path, ".h");
if (!force_recompile && !is_stale(obj_file, path)
&& !is_stale(obj_file, c_file)
&& !is_stale(obj_file, h_file)) {
return;
}
FILE *prog = run_cmd("%k %k -O%k -c %s -o %s",
&cc, &cflags, &optimization, Path$as_c_string(c_file), Path$as_c_string(obj_file));
if (!prog)
errx(1, "Failed to run C compiler: %k", &cc);
int status = pclose(prog);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
exit(EXIT_FAILURE);
if (!quiet)
printf("Compiled object:\t%s\n", Path$as_c_string(obj_file));
}
Path_t compile_executable(env_t *base_env, Path_t path, Array_t object_files, Array_t extra_ldlibs)
{
ast_t *ast = parse_file(Path$as_c_string(path), NULL);
if (!ast)
errx(1, "Could not parse file %s", Path$as_c_string(path));
env_t *env = load_module_env(base_env, ast);
binding_t *main_binding = get_binding(env, "main");
if (!main_binding || main_binding->type->tag != FunctionType)
errx(1, "No main() function has been defined for %s, so it can't be run!", Path$as_c_string(path));
Path_t bin_name = Path$with_extension(path, Text(""), true);
FILE *runner = run_cmd("%k %k -O%k %k %k %s %s -x c - -o %s",
&cc, &cflags, &optimization, &ldflags, &ldlibs,
array_str(extra_ldlibs), paths_str(object_files), Path$as_c_string(bin_name));
CORD program = CORD_all(
"extern int ", main_binding->code, "$parse_and_run(int argc, char *argv[]);\n"
"int main(int argc, char *argv[]) {\n"
"\treturn ", main_binding->code, "$parse_and_run(argc, argv);\n"
"}\n"
);
if (show_codegen.length > 0) {
FILE *out = run_cmd("%k", &show_codegen);
CORD_put(program, out);
pclose(out);
}
CORD_put(program, runner);
int status = pclose(runner);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
exit(EXIT_FAILURE);
if (!quiet)
printf("Compiled executable:\t%s\n", Path$as_c_string(bin_name));
return bin_name;
}
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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