restructure project layout

build.zig

@@ -14,11 +14,13 @@ fn addLinuxAssembly(b: *Builder, filename: []const u8) !std.Build.LazyPath {
     return output_obj;
 }
 
-fn addAllLinuxAssmeblies(b: *Builder) !std.ArrayList(std.Build.LazyPath) {
-    var linux_assemblies = std.ArrayList(std.Build.LazyPath).init(b.allocator);
+fn addAllLinuxAssmeblies(b: *Builder, path: []const u8) !std.ArrayList(std.Build.LazyPath) {
+    const allocator = b.allocator;
+
+    var linux_assemblies = std.ArrayList(std.Build.LazyPath).init(allocator);
     errdefer linux_assemblies.deinit();
 
-    var dir = try std.fs.cwd().openIterableDir("src", .{ });
+    var dir = try std.fs.cwd().openIterableDir(path, .{ });
     var it = dir.iterate();
     while (try it.next()) |file| {
         if (file.kind != .file) continue;
@@ -26,8 +28,8 @@ fn addAllLinuxAssmeblies(b: *Builder) !std.ArrayList(std.Build.LazyPath) {
         const ext = std.fs.path.extension(file.name);
         if (!std.mem.eql(u8, ext, ".asm")) continue;
 
-        const assembly_path = try std.mem.concat(b.allocator, u8, &.{ "src/", file.name });
-        defer b.allocator.free(assembly_path);
+        const assembly_path = try std.fs.path.join(allocator, &.{ path, file.name });
+        defer allocator.free(assembly_path);
 
         try linux_assemblies.append(try addLinuxAssembly(b, assembly_path));
     }
@@ -39,32 +41,32 @@ pub fn build(b: *Builder) !void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
-    var linux_assemblies = try addAllLinuxAssmeblies(b);
-    defer linux_assemblies.deinit();
+    const allocator = b.allocator;
 
-    var dir = try std.fs.cwd().openIterableDir("src/tests", .{ });
+    var dir = try std.fs.cwd().openIterableDir("src", .{ });
     var it = dir.iterate();
-    while (try it.next()) |file| {
-        if (file.kind != .file) continue;
+    while (try it.next()) |entry| {
+        if (entry.kind != .directory) continue;
 
-        const ext = std.fs.path.extension(file.name);
-        if (!std.mem.eql(u8, ext, ".c")) continue;
+        const program_dir = try std.fs.path.join(allocator, &.{ "src", entry.name });
+        defer allocator.free(program_dir);
 
-        const source_file_path = try std.mem.concat(b.allocator, u8, &.{ "src/tests/", file.name });
-        defer b.allocator.free(source_file_path);
-
-        const executable_name = std.fs.path.stem(file.name);
+        const main_c = try std.fs.path.join(allocator, &.{ program_dir, "main.c" });
+        defer allocator.free(main_c);
 
         const exe = b.addExecutable(.{
-            .name = executable_name,
-            .root_source_file = .{ .path = source_file_path },
+            .name = entry.name,
+            .root_source_file = .{ .path = main_c },
             .optimize = optimize,
             .target = target
         });
+        exe.addIncludePath(.{ .path = program_dir });
         exe.addIncludePath(.{ .path = "src" });
         exe.linkLibC();
 
-        for (linux_assemblies.items) |obj| {
+        var assemblies = try addAllLinuxAssmeblies(b, program_dir);
+        defer assemblies.deinit();
+        for (assemblies.items) |obj| {
             exe.addObjectFile(obj);
         }
 
@@ -75,9 +77,9 @@ pub fn build(b: *Builder) !void {
             run_exe.addArgs(args);
         }
 
-        const step_description = try std.fmt.allocPrint(b.allocator, "Run '{s}' test", .{source_file_path});
+        const step_description = try std.fmt.allocPrint(b.allocator, "Run '{s}' test", .{ entry.name });
         defer b.allocator.free(step_description);
-        const run_step = b.step(executable_name, step_description);
+        const run_step = b.step(entry.name, step_description);
         run_step.dependOn(&run_exe.step);
     }
 }

src/02_malloc_read/main.c

@@ -119,3 +119,4 @@ int main(int argc, char **argv) {
 
 	return 0;
 }
+

src/05_write_loop/main.c

@@ -54,3 +54,4 @@ int main() {
 
 	return 0;
 }
+

src/06_write_bytes_asm/main.c

@@ -38,3 +38,4 @@ int main() {
 
 	return 0;
 }
+

src/07_load_uop/main.c

@@ -38,3 +38,4 @@ int main() {
 	return 0;
 }
 
+

src/10_read_widths/main.c

@@ -37,3 +37,4 @@ int main() {
 
 	return 0;
 }
+

src/main.c

@@ -1,64 +0,0 @@
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <sys/stat.h>
-
-#include "repetition_tester.c"
-
-#define RPROF_IMPLEMENTATION
-#include "rprof.h"
-
-#include "main_read_file.c"
-#include "main_write_bytes_asm.c"
-#include "main_write_all_bytes.c"
-#include "main_malloc_read.c"
-#include "main_write_backward.c"
-#include "main_write_loop.c"
-#include "main_load_uop.c"
-#include "main_store_uop.c"
-#include "main_short_load_uop.c"
-#include "main_read_widths.c"
-
-int main(int argc, char **argv) {
-	if (argc < 2) {
-		printf("Usage: %s <test-name>\n", argv[0]);
-		return -1;
-	}
-
-	char *test_name = argv[1];
-
-	if (!strncmp(test_name, "write_bytes_asm", sizeof("write_bytes_asm"))) {
-		return main_test_write_bytes_asm();
-	} else if (!strncmp(test_name, "read_widths", sizeof("read_widths"))) {
-		return main_test_read_widths();
-	} else if (!strncmp(test_name, "write_all_bytes", sizeof("write_bytes"))) {
-		return main_test_write_all_bytes();
-	} else if (!strncmp(test_name, "load_uop", sizeof("load_uop"))) {
-		return main_test_load_uop();
-	} else if (!strncmp(test_name, "store_uop", sizeof("store_uop"))) {
-		return main_test_store_uop();
-	} else if (!strncmp(test_name, "short_load_uop", sizeof("short_load_uop"))) {
-		return main_test_short_load_uop();
-	} else if (!strncmp(test_name, "write_loop", sizeof("write_loop"))) {
-		return main_test_write_loop();
-	} else if (!strncmp(test_name, "write_backward", sizeof("write_backward"))) {
-		return main_test_write_backward();
-	} else if (!strncmp(test_name, "read_file", sizeof("read_file"))) {
-		if (argc < 3) {
-			printf("Usage: %s read_file <filename>\n", argv[0]);
-			return -1;
-		}
-
-		return main_test_read_file(argv[2]);
-	} else if (!strncmp(test_name, "malloc_read", sizeof("malloc_read"))) {
-		if (argc < 3) {
-			printf("Usage: %s malloc_read <filename>\n", argv[0]);
-			return -1;
-		}
-
-		return main_test_malloc_read(argv[2]);
-	} else {
-		printf("ERROR: Unknown test case '%s'\n", test_name);
-		return -1;
-	}
-}