C backend work.

c3lang · Dec 28, 2024 · b7082f3 · b7082f3
1 parent d20d957
commit b7082f3
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Showing 10 changed files with 1,106 additions and 7 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -342,6 +342,7 @@ add_executable(c3c
         src/utils/whereami.c
         src/utils/cpus.c
         src/utils/unzipper.c
+        src/compiler/c_codegen.c
         src/compiler/decltable.c
         src/compiler/mac_support.c
         src/compiler/windows_support.c

diff --git a/src/build/build.h b/src/build/build.h
@@ -17,8 +17,9 @@
 
 typedef enum
 {
-	BACKEND_LLVM = 1,
-	BACKEND_TB = 2
+	BACKEND_LLVM = 0,
+	BACKEND_TB = 1,
+	BACKEND_C = 2,
 } CompilerBackend;
 
 typedef enum

diff --git a/src/build/build_internal.h b/src/build/build_internal.h
@@ -88,6 +88,12 @@ static const char *optlevels[4] = {
 	[OPTIMIZATION_AGGRESSIVE] = "max",
 };
 
+static const char *backends[3] = {
+		[BACKEND_LLVM] = "llvm",
+		[BACKEND_TB] = "tb",
+		[BACKEND_C] = "c",
+};
+
 static const char *backtrace_levels[2] = {
 	[SHOW_BACKTRACE_OFF] = "off",
 	[SHOW_BACKTRACE_ON] = "on",

diff --git a/src/build/build_options.c b/src/build/build_options.c
@@ -654,6 +654,11 @@ static void parse_option(BuildOptions *options)
 				print_version();
 				exit_compiler(COMPILER_SUCCESS_EXIT);
 			}
+			if ((argopt = match_argopt("backend")))
+			{
+				options->backend = (CompilerBackend)parse_multi_option(argopt, 3, backends);
+				return;
+			}
 			if (match_longopt("run-once"))
 			{
 				options->run_once = true;