#include <config.h>
-#include <stdlib.h>
+#define _GNU_SOURCE
+
#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
#include <errno.h>
#include <string.h>
+#include <assert.h>
+
+#ifndef WITH_LIBCORE
+#define WITH_LIBCORE
+#endif
+
+#include <libfirm/firm.h>
+#include <libfirm/be.h>
#include "lexer.h"
#include "token_t.h"
#include "type_hash.h"
#include "parser.h"
+#include "ast2firm.h"
+#include "adt/error.h"
+
+#ifndef PREPROCESSOR
+#define PREPROCESSOR "cpp"
+#endif
-#if 0
-static
-void get_output_name(char *buf, size_t buflen, const char *inputname,
- const char *newext)
+#ifndef LINKER
+#define LINKER "gcc"
+#endif
+
+#ifdef _WIN32
+/* remap some names */
+#define popen(cmd, mode) _popen(cmd, mode)
+#define pclose(file) _pclose(file)
+#endif /* _WIN32 */
+
+static int verbose;
+static bool do_dump;
+
+static const ir_settings_if_conv_t *if_conv_info = NULL;
+static const backend_params *be_params = NULL;
+
+static void initialize_firm(void)
+{
+ be_opt_register();
+ firm_init_options(NULL, 0, NULL);
+
+ firm_parameter_t params;
+ memset(¶ms, 0, sizeof(params));
+
+ params.size = sizeof(params);
+ params.enable_statistics = 0;
+ params.initialize_local_func = uninitialized_local_var;
+ params.cc_mask = 0;
+ params.builtin_dbg = NULL;
+
+ /* initialize backend */
+ be_params = be_init();
+ ir_set_debug_retrieve(retrieve_dbg);
+ params.arch_op_settings = be_params->arch_op_settings;
+ if_conv_info = be_params->if_conv_info;
+
+ /* intialize firm itself */
+ init_firm(¶ms);
+ dbg_init(NULL, NULL, dbg_snprint);
+
+ set_opt_constant_folding(1);
+ set_opt_unreachable_code(1);
+ set_opt_control_flow_straightening(1);
+ set_opt_control_flow_weak_simplification(1);
+ set_opt_control_flow_strong_simplification(1);
+ set_opt_dyn_meth_dispatch(1);
+ set_opt_normalize(1);
+ set_opt_precise_exc_context(0);
+ set_opt_strength_red(0);
+ set_opt_fragile_ops(0);
+ set_opt_optimize_class_casts(0);
+ set_opt_suppress_downcast_optimization(0);
+ set_opt_remove_confirm(1);
+ set_opt_scalar_replacement(1);
+ set_opt_ldst_only_null_ptr_exceptions(1);
+ set_opt_alias_analysis(1);
+
+ dump_consts_local(1);
+ dump_keepalive_edges(1);
+}
+
+static void dump(ir_graph *irg, const char *suffix)
+{
+ if(do_dump) {
+ dump_ir_block_graph(irg, suffix);
+ }
+}
+
+static void get_output_name(char *buf, size_t buflen, const char *inputname,
+ const char *newext)
{
size_t last_dot = 0xffffffff;
size_t i = 0;
panic("filename too long");
memcpy(buf+last_dot, newext, extlen);
}
-#endif
-static
-translation_unit_t *do_parsing(const char *fname)
+static translation_unit_t *do_parsing(FILE *const in, const char *const input)
{
- FILE *in = fopen(fname, "r");
- if(in == NULL) {
- fprintf(stderr, "Couldn't open '%s': %s\n", fname, strerror(errno));
- exit(1);
- }
-
- lexer_open_stream(in, fname);
-
+ lexer_open_stream(in, input);
translation_unit_t *unit = parse();
-
- fclose(in);
-
return unit;
}
-static
-void lextest(const char *fname)
+static void lextest(const char *fname)
{
FILE *in = fopen(fname, "r");
if(in == NULL) {
fclose(in);
}
+static void backend(const char *inputname, const char *outname)
+{
+ FILE *out = fopen(outname, "w");
+ if(out == NULL) {
+ fprintf(stderr, "couldn't open '%s' for writing: %s\n", outname,
+ strerror(errno));
+ exit(1);
+ }
+
+ be_main(out, inputname);
+
+ fclose(out);
+}
+
+static void emit(const char *input_name, const char *out_name)
+{
+ backend(input_name, out_name);
+}
+
+static FILE* preprocess(const char *in)
+{
+ char buf[4096];
+
+ snprintf(buf, sizeof(buf), PREPROCESSOR " %s", in);
+
+ if(verbose) {
+ puts(buf);
+ }
+ FILE* f = popen(buf, "r");
+ if (f == NULL) {
+ fprintf(stderr, "invoking preprocessor failed\n");
+ exit(1);
+ }
+ return f;
+}
+
+static void link(const char *in, const char *out)
+{
+ char buf[4096];
+
+ snprintf(buf, sizeof(buf), "%s %s -o %s", LINKER, in, out);
+ if(verbose) {
+ puts(buf);
+ }
+ int err = system(buf);
+ if(err != 0) {
+ fprintf(stderr, "linker reported an error\n");
+ exit(1);
+ }
+}
+
+static void assemble(const char *in, const char *out)
+{
+ char buf[4096];
+
+ snprintf(buf, sizeof(buf), "%s %s -c -o %s", LINKER, in, out);
+ if(verbose) {
+ puts(buf);
+ }
+ int err = system(buf);
+ if(err != 0) {
+ fprintf(stderr, "assembler reported an error\n");
+ exit(1);
+ }
+}
+
+static void create_firm_prog(translation_unit_t *unit)
+{
+ translation_unit_to_firm(unit);
+
+ //dump_globals_as_text(dump_verbosity_max, "-globals");
+
+ int n_irgs = get_irp_n_irgs();
+ for(int i = 0; i < n_irgs; ++i) {
+ ir_graph *const irg = get_irp_irg(i);
+ dump(irg, "-start");
+ }
+
+ lower_highlevel();
+ for(int i = 0; i < n_irgs; ++i) {
+ ir_graph *const irg = get_irp_irg(i);
+ dump(irg, "-lower");
+ }
+}
+
+static void optimize(void)
+{
+ int arr_len;
+ ir_entity **keep_methods;
+
+ cgana(&arr_len, &keep_methods);
+ gc_irgs(arr_len, keep_methods);
+ free(keep_methods);
+
+ optimize_funccalls(0);
+
+ lwrdw_param_t lwrdw_param = {
+ 1,
+ 1,
+ mode_Ls, mode_Lu,
+ mode_Is, mode_Iu,
+ def_create_intrinsic_fkt,
+ NULL
+ };
+ if (be_params->arch_create_intrinsic_fkt) {
+ lwrdw_param.create_intrinsic = be_params->arch_create_intrinsic_fkt;
+ lwrdw_param.ctx = be_params->create_intrinsic_ctx;
+ }
+
+ for(int i = 0; i < get_irp_n_irgs(); ++i) {
+ ir_graph *irg = get_irp_irg(i);
+
+ optimize_graph_df(irg);
+ dump(irg, "-01-localopt");
+ place_code(irg);
+ dump(irg, "-02-place");
+ optimize_cf(irg);
+ dump(irg, "-03-cf");
+ lower_dw_ops(&lwrdw_param);
+ dump(irg, "-04-dw");
+ optimize_graph_df(irg);
+ dump(irg, "-05-localopt");
+ optimize_cf(irg);
+ dump(irg, "-06-cf");
+ }
+}
+
void write_fluffy_decls(translation_unit_t *unit);
+typedef enum compile_mode_t {
+ Compile,
+ CompileAssemble,
+ CompileAssembleLink,
+ LexTest,
+ PrintAst,
+ PrintFluffy
+} compile_mode_t;
+
+static void usage(const char *argv0)
+{
+ fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0);
+}
+
int main(int argc, char **argv)
{
+ initialize_firm();
+
init_symbol_table();
init_tokens();
- init_lexer();
init_types();
init_typehash();
+ init_lexer();
init_ast();
init_parser();
+ init_ast2firm();
- if(argc > 2 && strcmp(argv[1], "--lextest") == 0) {
- lextest(argv[2]);
+ const char *input = NULL;
+ const char *outname = NULL;
+ compile_mode_t mode = CompileAssembleLink;
+
+ for(int i = 1; i < argc; ++i) {
+ const char *arg = argv[i];
+ if(strcmp(arg, "-o") == 0) {
+ ++i;
+ if(i >= argc) {
+ usage(argv[0]);
+ return 1;
+ }
+ outname = argv[i];
+ } else if(strcmp(arg, "-c") == 0) {
+ mode = CompileAssemble;
+ } else if(strcmp(arg, "-S") == 0) {
+ mode = Compile;
+ } else if(strcmp(arg, "--lextest") == 0) {
+ mode = LexTest;
+ } else if(strcmp(arg, "--print-ast") == 0) {
+ mode = PrintAst;
+ } else if(strcmp(arg, "--print-fluffy") == 0) {
+ mode = PrintFluffy;
+ } else if(strcmp(arg, "--dump") == 0) {
+ do_dump = true;
+ } else if(strcmp(arg, "-v") == 0) {
+ verbose = 1;
+ } else if(arg[0] == '-' && arg[1] == 'f') {
+ const char *opt = &arg[2];
+ if(opt[0] == 0) {
+ ++i;
+ if(i >= argc) {
+ usage(argv[0]);
+ return 1;
+ }
+ opt = argv[i];
+ if(opt[0] == '-') {
+ usage(argv[0]);
+ return 1;
+ }
+ }
+ //firm_option(opt);
+ } else if(arg[0] == '-' && arg[1] == 'b') {
+ const char *opt = &arg[2];
+ if(opt[0] == 0) {
+ ++i;
+ if(i >= argc) {
+ usage(argv[0]);
+ return 1;
+ }
+ opt = argv[i];
+ if(opt[0] == '-') {
+ usage(argv[0]);
+ return 1;
+ }
+ }
+ //firm_be_option(opt);
+ } else if(arg[0] == '-') {
+ if (arg[1] == 'D' ||
+ arg[1] == 'O' ||
+ arg[1] == 'f' ||
+ strncmp(arg + 1, "std=", 4) == 0) {
+ fprintf(stderr, "Warning: Ignoring option '%s'\n", arg);
+ } else {
+ usage(argv[0]);
+ return 1;
+ }
+ } else {
+ if(input != NULL) {
+ fprintf(stderr, "Error: multiple input files specified\n");
+ usage(argv[0]);
+ return 1;
+ } else {
+ input = arg;
+ }
+ }
+ }
+
+ if(input == NULL) {
+ fprintf(stderr, "%s: no input files\n", argv[0]);
+ return 1;
+ }
+
+ if(mode == LexTest) {
+ lextest(input);
return 0;
}
- if(argc > 2 && strcmp(argv[1], "--print-ast") == 0) {
- translation_unit_t *unit = do_parsing(argv[2]);
- ast_set_output(stdout);
+ FILE *const in = preprocess(input);
+ translation_unit_t *const unit = do_parsing(in, input);
+ pclose(in);
+ if(unit == NULL)
+ return 1;
+
+ if(mode == PrintAst) {
print_ast(unit);
return 0;
}
-
- for(int i = 1; i < argc; ++i) {
- translation_unit_t *unit = do_parsing(argv[i]);
+ if(mode == PrintFluffy) {
+ ast_set_output(stdout);
write_fluffy_decls(unit);
}
+ char outsname[4096];
+ const char *sname = NULL;
+ if(mode == Compile) {
+ sname = outname;
+ }
+ if(sname == NULL) {
+ get_output_name(outsname, sizeof(outsname), input, ".s");
+ sname = outsname;
+ }
+
+ create_firm_prog(unit);
+ optimize();
+ emit(input, sname);
+
+ if(mode == CompileAssemble) {
+ char outoname[4096];
+ const char *oname = outname;
+ if(oname == NULL) {
+ get_output_name(outoname, sizeof(outoname), input, ".o");
+ oname = outoname;
+ }
+ assemble(sname, oname);
+ } else {
+ assert(mode == CompileAssembleLink);
+
+ if(outname == NULL)
+ outname = "a.out";
+
+ link(sname, outname);
+ }
+
+ exit_ast2firm();
exit_parser();
exit_ast();
+ exit_lexer();
exit_typehash();
exit_types();
- exit_lexer();
exit_tokens();
exit_symbol_table();
return 0;