Merge pull request #2 from kassane/fixes

some fixes

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: Zig Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.runs-on }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - uses: goto-bus-stop/setup-zig@v2
+        with:
+          version: 0.10.1
+
+      - name: Build Summary
+        run: zig build -freference-trace

.gitignore

@@ -0,0 +1,2 @@
+zig-cache/
+zig-out/

build.zig

@@ -0,0 +1,35 @@
+const Builder = @import("std").build.Builder;
+
+pub fn build(b: *Builder) void {
+    const target = b.standardTargetOptions(.{});
+    const mode = b.standardReleaseOptions(); //-Drelease-safe|release-fast|release-small
+
+    const lib = b.addSharedLibrary("function_parameter", "src/function_parameter.zig", .unversioned);
+    lib.setBuildMode(mode);
+    lib.setTarget(target);
+    lib.linkLibC(); // next function need libc
+    lib.install();
+
+    const exe = b.addExecutable("CortexC", null);
+    exe.addCSourceFile("src/main.c", &.{
+        "-Wall",
+        "-Wextra",
+        // "-Werror",
+    });
+    exe.setBuildMode(mode);
+    exe.setTarget(target);
+    exe.addIncludePath("src");
+    exe.linkLibrary(lib);
+    exe.linkLibC();
+    exe.install();
+
+    const run_cmd = exe.run();
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    // zig build run - running Exe.
+    const run_step = b.step("run", b.fmt("Run the {s} app.", .{exe.name}));
+    run_step.dependOn(&run_cmd.step);
+}

src/function_parameter.zig

@@ -1,7 +1,6 @@
 const std = @import("std");
 
- extern fn next() callconv(.C) void;
-
+extern fn next() callconv(.C) void;
 
 const Token = enum {
     Int,
@@ -27,21 +26,31 @@ var line: i32 = undefined;
 var currentId: Identifier = undefined;
 var index_of_bp: i32 = undefined;
 
-export fn functionParameter() i32 {
+// empty functions
+export fn functionParameter() void {}
+export fn function_body() void {}
+
+export fn function_parameter() i32 {
     var params: i32 = 0;
     var type_: Token = .Int;
 
     while (token != .RParen) {
         type_ = .Int;
         if (token == .Int) {
-            if (match(.Int) != 0) { return -1; }
+            if (match(.Int) != 0) {
+                return -1;
+            }
         } else if (token == .Char) {
             type_ = .Char;
-            if (match(.Char) != 0) { return -1; }
+            if (match(.Char) != 0) {
+                return -1;
+            }
         }
 
         while (token == .Mul) {
-            if (match(.Mul) != 0) { return -1; }
+            if (match(.Mul) != 0) {
+                return -1;
+            }
             type_ = .Mul;
         }
 
@@ -54,7 +63,9 @@ export fn functionParameter() i32 {
             return -1;
         }
 
-        if (match(.Id) != 0) { return -1; }
+        if (match(.Id) != 0) {
+            return -1;
+        }
 
         currentId.bclass = currentId.class;
         currentId.class = .Loc;
@@ -65,7 +76,9 @@ export fn functionParameter() i32 {
         params += 1;
 
         if (token == .Comma) {
-            if (match(.Comma) != 0) { return -1; }
+            if (match(.Comma) != 0) {
+                return -1;
+            }
         }
     }
 
@@ -75,9 +88,9 @@ export fn functionParameter() i32 {
 
 fn match(expectedToken: Token) i32 {
     if (token != expectedToken) {
-        std.debug.print("expected token: {}, got: {}\n", .{expectedToken, token});
+        std.debug.print("expected token: {}, got: {}\n", .{ expectedToken, token });
         return -1;
     }
     next();
     return 0;
-}
+}