Add compiler options to simplify external tool usage.

CMakeLists.txt

@@ -6,8 +6,6 @@ set(CMAKE_FIND_PACKAGE_SORT_ORDER NATURAL)
 set(CMAKE_FIND_PACKAGE_SORT_DIRECTION DEC)
 set(C3_LLVM_VERSION "auto" CACHE STRING "Use LLVM version [default: auto]")
 
-#set(CMAKE_BUILD_TYPE Release)
-#set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 
 if(NOT C3_LLVM_VERSION STREQUAL "auto")
     if(${C3_LLVM_VERSION} VERSION_LESS 12 OR ${C3_LLVM_VERSION} VERSION_GREATER 14)
@@ -28,6 +26,9 @@ add_definitions(${LLVM_DEFINITIONS})
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 17)
 
+set(CMAKE_CXX_FLAGS_RELEASE "-O3")
+set(CMAKE_C_FLAGS_RELEASE "-O3")
+
 set(LLVM_LINK_COMPONENTS
         AllTargetsAsmParsers
         AllTargetsCodeGens

src/build/build_internal.h

@@ -7,7 +7,7 @@
 #include "utils/lib.h"
 #include "utils/toml.h"
 #include "build_options.h"
-#define DEFAULT_SYMTAB_SIZE (64 * 1024)
+#define DEFAULT_SYMTAB_SIZE (256 * 1024)
 #define DEFAULT_SWITCHRANGE_MAX_SIZE (256)
 
 typedef struct

src/build/build_options.c

@@ -79,6 +79,7 @@ static void usage(void)
 	OUTPUT("  -V --version          - Print version information.");
 	OUTPUT("  -E                    - Lex only.");
 	OUTPUT("  -P                    - Only parse and output the AST as S-expressions.");
+	OUTPUT("  -C                    - Only lex, parse and check.");
 	OUTPUT("  -o                    - Set the output binary file name.");
 	OUTPUT("  -O0                   - Optimizations off.");
 	OUTPUT("  -O1                   - Simple optimizations only.");
@@ -278,10 +279,10 @@ static void print_all_targets(void)
 
 static void print_version(void)
 {
-	OUTPUT("C3 Compiler Version:   Pre-alpha %s", COMPILER_VERSION);
-	OUTPUT("Installed directory:   %s", find_executable_path());
-	OUTPUT("LLVM version:          %s", llvm_version);
-	OUTPUT("LLVM default target:   %s", llvm_target);
+	OUTPUT("C3 Compiler Version (pre-alpha):   %s", COMPILER_VERSION);
+	OUTPUT("Installed directory:               %s", find_executable_path());
+	OUTPUT("LLVM version:                      %s", llvm_version);
+	OUTPUT("LLVM default target:               %s", llvm_target);
 }
 
 static void parse_option(BuildOptions *options)
@@ -402,6 +403,13 @@ static void parse_option(BuildOptions *options)
 			}
 			options->compile_option = COMPILE_LEX_PARSE_ONLY;
 			return;
+		case 'C':
+			if (options->compile_option != COMPILE_NORMAL)
+			{
+				FAIL_WITH_ERR("Illegal combination of compile options.");
+			}
+			options->compile_option = COMPILE_LEX_PARSE_CHECK_ONLY;
+			return;
 		case '-':
 			if (match_longopt("tinybackend"))
 			{

src/build/build_options.h

@@ -78,6 +78,7 @@ typedef enum
 	COMPILE_NORMAL,
 	COMPILE_LEX_ONLY,
 	COMPILE_LEX_PARSE_ONLY,
+	COMPILE_LEX_PARSE_CHECK_ONLY,
 	COMPILE_OUTPUT_HEADERS,
 	COMPILE_OUTPUT_AST,
 } CompileOption;
@@ -231,6 +232,7 @@ typedef struct
 	bool output_ast : 1;
 	bool lex_only : 1;
 	bool parse_only : 1;
+	bool check_only : 1;
 	bool emit_llvm : 1;
 	bool emit_object_files : 1;
 	bool no_link : 1;

src/build/builder.c

@@ -127,6 +127,9 @@ static void update_build_target_from_options(BuildTarget *target, BuildOptions *
 		case COMPILE_LEX_PARSE_ONLY:
 			target->parse_only = true;
 			break;
+		case COMPILE_LEX_PARSE_CHECK_ONLY:
+			target->check_only = true;
+			break;
 		case COMPILE_OUTPUT_HEADERS:
 			target->output_headers = true;
 			target->run_after_compile = false;

src/compiler/compiler.c

@@ -370,6 +370,8 @@ void compiler_compile(void)
 		return;
 	}
 
+	if (active_target.check_only) return;
+
 	void **gen_contexts = NULL;
 	void (*task)(void *);
 

src/main.c

@@ -67,7 +67,6 @@ int main_real(int argc, const char *argv[])
 			UNREACHABLE
 	}
 
-	print_arena_status();
 	memory_release();
 	return 0;
 }

src/version.h

@@ -1 +1 @@
-#define COMPILER_VERSION "PRE.5"
+#define COMPILER_VERSION "PRE.6"