updates for latest zig
This commit is contained in:
parent
f9e8543b7c
commit
38f0b04351
6 changed files with 131 additions and 134 deletions
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@ -9,28 +9,28 @@ const warn = std.debug.warn;
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fn printIdent(ident: usize) void {
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var i: usize = 0;
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while (i < ident) : (i += 1) {
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std.debug.warn("\t");
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std.debug.warn("\t", .{});
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}
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}
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fn print(ident: usize, comptime fmt: []const u8, args: ...) void {
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fn print(ident: usize, comptime fmt: []const u8, args: var) void {
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printIdent(ident);
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std.debug.warn(fmt, args);
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}
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fn printBlock(ident: usize, block: var, endNewline: bool) void {
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std.debug.warn("(\n");
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std.debug.warn("(\n", .{});
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for (block.toSlice()) |stmt| {
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printIdent(ident);
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printStmt(ident, stmt);
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std.debug.warn("\n");
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std.debug.warn("\n", .{});
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}
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if (endNewline) {
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print(ident - 1, ")\n");
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print(ident - 1, ")\n", .{});
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} else {
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print(ident - 1, ")");
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print(ident - 1, ")", .{});
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}
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}
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@ -48,51 +48,47 @@ pub fn printNode(node: *Node, ident: usize) void {
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const typ = method.typ.lexeme;
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if (method.mutable) {
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warn("(method mut {} {} {} {} ", vari, typ, name, ret_type);
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warn("(method mut {} {} {} {} ", .{ vari, typ, name, ret_type });
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} else {
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warn("(method {} {} {} {} ", vari, typ, name, ret_type);
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warn("(method {} {} {} {} ", .{ vari, typ, name, ret_type });
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}
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} else {
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warn("(fn {} {} (", name, ret_type);
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warn("(fn {} {} (", .{ name, ret_type });
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}
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for (decl.params.toSlice()) |param| {
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warn("({} {}) ", param.name.lexeme, param.typ.lexeme);
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warn("({} {}) ", .{ param.name.lexeme, param.typ.lexeme });
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}
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printBlock(ident + 1, decl.body, false);
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warn(")\n");
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warn(")\n", .{});
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},
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.ConstDecl => |consts| {
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print(ident, "(const (\n");
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print(ident, "(const (\n", .{});
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for (consts.toSlice()) |const_decl| {
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print(
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ident + 1,
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"({} ",
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print(ident + 1, "({} ", .{
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const_decl.name.lexeme,
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);
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});
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printExpr(const_decl.expr);
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std.debug.warn(")\n");
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std.debug.warn(")\n", .{});
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}
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print(ident, "))\n");
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print(ident, "))\n", .{});
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},
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.Enum => |decl| {
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print(ident, "(enum {} (\n", decl.name.lexeme);
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print(ident, "(enum {} (\n", .{decl.name.lexeme});
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for (decl.fields.toSlice()) |field| {
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print(
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ident + 1,
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"{}\n",
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print(ident + 1, "{}\n", .{
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field.lexeme,
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);
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});
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}
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print(ident, "))\n");
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print(ident, "))\n", .{});
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},
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.Root => {
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@ -104,129 +100,129 @@ pub fn printNode(node: *Node, ident: usize) void {
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.Stmt => |stmt| {
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printIdent(ident);
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printStmt(ident, stmt);
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std.debug.warn("\n");
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std.debug.warn("\n", .{});
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},
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.Struct => |struc| {
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print(ident, "(struct {} (\n", struc.name.lexeme);
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print(ident, "(struct {} (\n", .{struc.name.lexeme});
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for (struc.fields.toSlice()) |field| {
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printIdent(ident + 1);
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if (field.mutable) {
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std.debug.warn("(mut ");
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std.debug.warn("(mut ", .{});
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} else {
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std.debug.warn("(");
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std.debug.warn("(", .{});
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}
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if (field.public) {
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std.debug.warn("pub ");
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std.debug.warn("pub ", .{});
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}
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if (field.mutable_outside) {
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std.debug.warn("MUT_OUT ");
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std.debug.warn("MUT_OUT ", .{});
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}
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std.debug.warn("{} {})\n", field.name.lexeme, field.typ.lexeme);
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std.debug.warn("{} {})\n", .{ field.name.lexeme, field.typ.lexeme });
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}
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print(ident, "))\n");
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print(ident, "))\n", .{});
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},
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else => {
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print(ident, "unknown node: {}\n", node);
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print(ident, "unknown node: {}\n", .{node});
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},
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}
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}
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fn parenthetize(name: []const u8, exprs: []*Expr) void {
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std.debug.warn("({}", name);
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fn parenthetize(name: []const u8, exprs: []*const Expr) void {
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std.debug.warn("({}", .{name});
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for (exprs) |expr| {
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std.debug.warn(" ");
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std.debug.warn(" ", .{});
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printExpr(expr);
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}
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std.debug.warn(")");
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std.debug.warn(")", .{});
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}
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pub fn printExpr(expr: *Expr) void {
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pub fn printExpr(expr: *const Expr) void {
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switch (expr.*) {
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.Binary => |binary| parenthetize(binary.op.lexeme, &[_]*Expr{ binary.left, binary.right }),
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.Logical => |binary| parenthetize(binary.op.lexeme, &[_]*Expr{ binary.left, binary.right }),
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.Unary => |unary| parenthetize(unary.op.lexeme, &[_]*Expr{unary.right}),
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.Grouping => |expr_ptr| parenthetize("group", &[_]*Expr{expr_ptr}),
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.Binary => |binary| parenthetize(binary.op.lexeme, &[_]*const Expr{ binary.left, binary.right }),
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.Logical => |binary| parenthetize(binary.op.lexeme, &[_]*const Expr{ binary.left, binary.right }),
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.Unary => |unary| parenthetize(unary.op.lexeme, &[_]*const Expr{unary.right}),
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.Grouping => |expr_ptr| parenthetize("group", &[_]*const Expr{expr_ptr}),
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.Literal => |literal| {
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switch (literal) {
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.Bool => |val| std.debug.warn("{}", val),
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.Integer => |val| std.debug.warn("{}", val),
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.Float => |val| std.debug.warn("{}", val),
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.String => |val| std.debug.warn("'{}'", val),
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.Bool => |val| std.debug.warn("{}", .{val}),
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.Integer => |val| std.debug.warn("{}", .{val}),
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.Float => |val| std.debug.warn("{}", .{val}),
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.String => |val| std.debug.warn("'{}'", .{val}),
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.Array => |exprs| {
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parenthetize("array", exprs.toSlice());
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},
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else => |typ| std.debug.warn("UnknownLiteral-{}", typ),
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else => |typ| std.debug.warn("UnknownLiteral-{}", .{typ}),
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}
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},
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.Variable => |token| std.debug.warn("{}", token.lexeme),
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.Variable => |token| std.debug.warn("{}", .{token.lexeme}),
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.VarDecl => |decl| {
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if (decl.mutable) {
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std.debug.warn("(mut ");
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std.debug.warn("(mut ", .{});
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} else {
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std.debug.warn("(");
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std.debug.warn("(", .{});
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}
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std.debug.warn("let {} ", decl.assign.name.lexeme);
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std.debug.warn("let {} ", .{decl.assign.name.lexeme});
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printExpr(decl.assign.value);
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std.debug.warn(")");
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std.debug.warn(")", .{});
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},
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.Assign => |assign| {
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std.debug.warn("(set ");
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std.debug.warn("{} ", assign.name.lexeme);
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std.debug.warn("(set ", .{});
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std.debug.warn("{} ", .{assign.name.lexeme});
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printExpr(assign.value);
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std.debug.warn(")");
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std.debug.warn(")", .{});
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},
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.Call => |call| {
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std.debug.warn("(");
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std.debug.warn("(", .{});
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printExpr(call.callee);
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for (call.arguments.toSlice()) |arg| {
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std.debug.warn(" ");
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std.debug.warn(" ", .{});
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printExpr(arg);
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}
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std.debug.warn(")");
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std.debug.warn(")", .{});
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},
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.Struct => |val| {
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std.debug.warn("({} (", val.name.lexeme);
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std.debug.warn("({} (", .{val.name.lexeme});
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for (val.inits.toSlice()) |init| {
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std.debug.warn(" ({} ", init.field.lexeme);
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std.debug.warn(" ({} ", .{init.field.lexeme});
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printExpr(init.expr);
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std.debug.warn(")");
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std.debug.warn(")", .{});
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}
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std.debug.warn("))");
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std.debug.warn("))", .{});
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},
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.Get => |get| {
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warn("(");
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warn("(", .{});
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printExpr(get.struc);
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warn(".{})", get.name.lexeme);
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warn("{}", .{get.name.lexeme});
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},
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.Set => |set| {
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warn("(set ");
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warn("(set ", .{});
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printExpr(set.struc);
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warn(" {} ", set.field.lexeme);
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warn(" {} ", .{set.field.lexeme});
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printExpr(set.value);
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warn(")");
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warn(")", .{});
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},
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else => std.debug.warn("UnknownExpr-{}", @tagName(expr.*)),
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else => std.debug.warn("UnknownExpr-{}", .{@tagName(expr.*)}),
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}
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}
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@ -236,53 +232,53 @@ pub fn printStmt(ident: usize, stmt: *Stmt) void {
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.Expr => |expr| printExpr(expr),
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.If => |ifstmt| {
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std.debug.warn("(if ");
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std.debug.warn("(if ", .{});
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printExpr(ifstmt.condition);
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std.debug.warn(" ");
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std.debug.warn(" ", .{});
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printBlock(ident + 1, ifstmt.then_branch, false);
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if (ifstmt.else_branch) |else_branch| {
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std.debug.warn(" else ");
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std.debug.warn(" else ", .{});
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printBlock(ident + 1, else_branch, false);
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}
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std.debug.warn(")\n");
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std.debug.warn(")\n", .{});
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},
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.Loop => |loop| {
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std.debug.warn("(loop ");
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std.debug.warn("(loop ", .{});
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if (loop.condition) |cond| {
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printExpr(cond);
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} else {
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std.debug.warn("true");
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std.debug.warn("true", .{});
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}
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std.debug.warn(" ");
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std.debug.warn(" ", .{});
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printBlock(ident + 1, loop.then_branch, false);
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std.debug.warn(")\n");
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std.debug.warn(")\n", .{});
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},
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.For => |forstmt| {
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std.debug.warn("(for ");
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std.debug.warn("(for ", .{});
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if (forstmt.index) |index| {
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std.debug.warn("({} {}) ", index.lexeme, forstmt.value.lexeme);
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std.debug.warn("({} {}) ", .{ index.lexeme, forstmt.value.lexeme });
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} else {
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std.debug.warn("{} ", forstmt.value.lexeme);
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std.debug.warn("{} ", .{forstmt.value.lexeme});
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}
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std.debug.warn("{} ", forstmt.array.lexeme);
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std.debug.warn("{} ", .{forstmt.array.lexeme});
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printBlock(ident + 1, forstmt.block, false);
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std.debug.warn(")\n");
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std.debug.warn(")\n", .{});
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},
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.Return => |ret| {
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std.debug.warn("(return ");
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std.debug.warn("(return ", .{});
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printExpr(ret.value);
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std.debug.warn(")\n");
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std.debug.warn(")\n", .{});
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},
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else => std.debug.warn("UnknownStmt-{}", @tagName(stmt.*)),
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else => std.debug.warn("UnknownStmt-{}", .{@tagName(stmt.*)}),
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}
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}
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@ -1,14 +1,14 @@
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const std = @import("std");
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pub fn report(line: usize, where: []const u8, message: []const u8) void {
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std.debug.warn("[line {}] Error{}: {}", line, where, message);
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std.debug.warn("[line {}] Error{}: {}", .{ line, where, message });
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}
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pub fn reportN(line: usize, message: []const u8) void {
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report(line, "", message);
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}
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pub fn reportFmt(line: usize, comptime fmt: []const u8, args: ...) void {
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std.debug.warn("[line {}] Error", line);
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pub fn reportFmt(line: usize, comptime fmt: []const u8, args: var) void {
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std.debug.warn("[line {}] Error", .{line});
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std.debug.warn(fmt, args);
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std.debug.warn("\n");
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std.debug.warn("\n", .{});
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}
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36
src/main.zig
36
src/main.zig
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@ -10,18 +10,16 @@ pub const Result = error{
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CompileError,
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};
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pub const StdOut = *std.io.OutStream(std.fs.File.WriteError);
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fn run(allocator: *Allocator, data: []u8) !void {
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fn run(allocator: *Allocator, data: []const u8) !void {
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var stdout_file = std.io.getStdOut();
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const stdout = &stdout_file.outStream().stream;
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const stdout = stdout_file.outStream();
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var runner = runners.Runner.init(allocator, stdout);
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return runner.execute(data);
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}
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fn runFile(allocator: *Allocator, path: []const u8) !void {
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var file = try std.fs.File.openRead(path);
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var file = try std.fs.cwd().openFile(path, .{});
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defer file.close();
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const total_bytes = try file.getEndPos();
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@ -40,25 +38,31 @@ fn runFile(allocator: *Allocator, path: []const u8) !void {
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fn runPrompt(allocator: *Allocator) !void {
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var stdout_file = std.io.getStdOut();
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const stdout = &stdout_file.outStream().stream;
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const stdout = stdout_file.outStream();
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var stdin_file = std.io.getStdIn();
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const stdin = stdin_file.inStream();
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var line_buf: [1024]u8 = undefined;
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while (true) {
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try stdout.print("> ");
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var buffer = try std.Buffer.init(allocator, ""[0..]);
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try stdout.print("> ", .{});
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var line = std.io.readLine(&buffer) catch |err| {
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if (err == error.EndOfStream) return;
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return err;
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};
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const amt = try stdin.read(&line_buf);
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if (amt == line_buf.len) {
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try stdout.print("Input too long.\n", .{});
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continue;
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}
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const line = std.mem.trimRight(u8, line_buf[0..amt], "\r\n");
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run(allocator, line) catch |err| {
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switch (err) {
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Result.Ok => {},
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Result.ScannerError => blk: {
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try stdout.print("scanner error.\n");
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try stdout.print("scanner error.\n", .{});
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},
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Result.CompileError => blk: {
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try stdout.print("compile error.\n");
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try stdout.print("compile error.\n", .{});
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},
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else => return err,
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}
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@ -67,12 +71,12 @@ fn runPrompt(allocator: *Allocator) !void {
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}
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pub fn main() anyerror!void {
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var arena = std.heap.ArenaAllocator.init(std.heap.direct_allocator);
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var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
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defer arena.deinit();
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var allocator = &arena.allocator;
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var stdout_file = std.io.getStdOut();
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var stdout = &stdout_file.outStream().stream;
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var stdout = stdout_file.outStream();
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var args_it = std.process.args();
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@ -43,27 +43,27 @@ pub const Parser = struct {
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self.tokens.deinit();
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}
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fn doError(self: *Parser, comptime fmt: []const u8, args: ...) void {
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fn doError(self: *Parser, comptime fmt: []const u8, args: var) void {
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self.hadError = true;
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std.debug.warn("parser error at line {}\n\t", self.scanner.line);
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std.debug.warn("parser error at line {}\n\t", .{self.scanner.line});
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std.debug.warn(fmt, args);
|
||||
std.debug.warn("\n");
|
||||
std.debug.warn("\n", .{});
|
||||
}
|
||||
|
||||
fn peek(self: *Parser) Token {
|
||||
return self.tokens.at(self.tokens.len - 1);
|
||||
return self.tokens.items[self.tokens.items.len - 1];
|
||||
}
|
||||
|
||||
fn previous(self: *Parser) Token {
|
||||
return self.tokens.at(self.tokens.len - 2);
|
||||
return self.tokens.items[self.tokens.items.len - 2];
|
||||
}
|
||||
|
||||
fn tokenError(self: *Parser, token: Token, msg: []const u8) Result!void {
|
||||
if (token.ttype == .EOF) {
|
||||
err.report(token.line, " at end", msg);
|
||||
} else {
|
||||
err.reportFmt(token.line, " at '{}': {}", token.lexeme, msg);
|
||||
err.reportFmt(token.line, " at '{}': {}", .{ token.lexeme, msg });
|
||||
}
|
||||
|
||||
return Result.CompileError;
|
||||
|
|
@ -90,7 +90,7 @@ pub const Parser = struct {
|
|||
}
|
||||
|
||||
try self.tokens.append(token);
|
||||
std.debug.warn("skip to {}\n", token);
|
||||
std.debug.warn("skip to {}\n", .{token});
|
||||
return token;
|
||||
}
|
||||
|
||||
|
|
@ -117,19 +117,17 @@ pub const Parser = struct {
|
|||
|
||||
// TODO maybe this could be entirely comptime?
|
||||
var buf_main: [1000]u8 = undefined;
|
||||
var buf = try std.fmt.bufPrint(
|
||||
buf_main[0..],
|
||||
"expected {}, got {}",
|
||||
var buf = try std.fmt.bufPrint(buf_main[0..], "expected {}, got {}", .{
|
||||
ttype,
|
||||
self.peek().ttype,
|
||||
);
|
||||
});
|
||||
|
||||
try self.tokenError(self.peek(), buf);
|
||||
return Result.CompileError;
|
||||
}
|
||||
|
||||
/// check() against multiple tokens
|
||||
fn compareAnyOf(self: *@This(), ttypes: []TokenType) bool {
|
||||
fn compareAnyOf(self: *@This(), ttypes: []const TokenType) bool {
|
||||
for (ttypes) |ttype| {
|
||||
if (self.check(ttype)) return true;
|
||||
}
|
||||
|
|
@ -191,7 +189,7 @@ pub const Parser = struct {
|
|||
}
|
||||
|
||||
fn mkUnary(self: *Parser, op: Token, right: *Expr) !*Expr {
|
||||
std.debug.warn("Unary\n");
|
||||
std.debug.warn("Unary\n", .{});
|
||||
|
||||
var expr = try self.allocator.create(Expr);
|
||||
expr.* = Expr{
|
||||
|
|
@ -609,7 +607,7 @@ pub const Parser = struct {
|
|||
.Enum => try self.parseEnumDecl(),
|
||||
|
||||
else => |ttype| blk: {
|
||||
self.doError("expected Fn, Const, Struct, got {}\n", ttype);
|
||||
self.doError("expected Fn, Const, Struct, got {}\n", .{ttype});
|
||||
return Result.CompileError;
|
||||
},
|
||||
};
|
||||
|
|
@ -839,7 +837,7 @@ pub const Parser = struct {
|
|||
.Get => |get| {
|
||||
switch (op.ttype) {
|
||||
.ColonEqual => {
|
||||
self.doError("can not initialize struct field");
|
||||
self.doError("can not initialize struct field", .{});
|
||||
return Result.CompileError;
|
||||
},
|
||||
|
||||
|
|
@ -859,7 +857,7 @@ pub const Parser = struct {
|
|||
},
|
||||
|
||||
else => |expr_typ| {
|
||||
self.doError("Invalid assignment target {}", expr_typ);
|
||||
self.doError("Invalid assignment target {}", .{expr_typ});
|
||||
return Result.CompileError;
|
||||
},
|
||||
}
|
||||
|
|
@ -1030,7 +1028,7 @@ pub const Parser = struct {
|
|||
// <expr>{a: 10 b: 10}
|
||||
// for this to work properly, <expr> must be Variable, since its a type.
|
||||
if (@as(ast.ExprType, expr.*) != .Variable) {
|
||||
self.doError("Expected variable for struct type, got {}", @as(ast.ExprType, expr.*));
|
||||
self.doError("Expected variable for struct type, got {}", .{@as(ast.ExprType, expr.*)});
|
||||
return Result.CompileError;
|
||||
}
|
||||
|
||||
|
|
@ -1095,7 +1093,7 @@ pub const Parser = struct {
|
|||
},
|
||||
|
||||
else => blk: {
|
||||
self.doError("expected literal, got {}", curtype);
|
||||
self.doError("expected literal, got {}", .{curtype});
|
||||
return Result.CompileError;
|
||||
},
|
||||
};
|
||||
|
|
|
|||
|
|
@ -13,32 +13,31 @@ const Parser = parsers.Parser;
|
|||
|
||||
pub const Runner = struct {
|
||||
allocator: *Allocator,
|
||||
stdout: main.StdOut,
|
||||
stdout: std.fs.File.OutStream,
|
||||
|
||||
pub fn init(allocator: *Allocator, stdout: main.StdOut) Runner {
|
||||
return Runner{ .allocator = allocator, .stdout = stdout };
|
||||
pub fn init(allocator: *Allocator, stdout: var) Runner {
|
||||
return .{ .allocator = allocator, .stdout = stdout };
|
||||
}
|
||||
|
||||
fn testScanner(self: *Runner, scanner: *scanners.Scanner) !void {
|
||||
while (true) {
|
||||
var tok_opt = scanner.nextToken() catch |err| {
|
||||
try self.stdout.print(
|
||||
"error at '{}': {}\n",
|
||||
try self.stdout.print("error at '{}': {}\n", .{
|
||||
scanner.currentLexeme(),
|
||||
err,
|
||||
);
|
||||
});
|
||||
|
||||
return Result.ScannerError;
|
||||
};
|
||||
|
||||
if (tok_opt) |tok| {
|
||||
if (tok.ttype == .EOF) break;
|
||||
try self.stdout.print("{x}\n", tok);
|
||||
try self.stdout.print("{x}\n", .{tok});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn execute(self: *Runner, code: []u8) !void {
|
||||
pub fn execute(self: *Runner, code: []const u8) !void {
|
||||
var scanner = scanners.Scanner.init(self.allocator, code);
|
||||
try self.testScanner(&scanner);
|
||||
|
||||
|
|
@ -46,9 +45,9 @@ pub const Runner = struct {
|
|||
var parser = Parser.init(self.allocator, &scanner);
|
||||
var root = try parser.parse();
|
||||
|
||||
var it = root.Root.iterator();
|
||||
// var it = root.Root.iterator();
|
||||
|
||||
std.debug.warn("parse tree\n");
|
||||
std.debug.warn("parse tree\n", .{});
|
||||
printer.printNode(root, 0);
|
||||
|
||||
return Result.Ok;
|
||||
|
|
|
|||
|
|
@ -97,13 +97,13 @@ fn getKeyword(keyword: []const u8) ?TokenType {
|
|||
/// Scanner for vlang tokens.
|
||||
pub const Scanner = struct {
|
||||
allocator: *Allocator,
|
||||
source: []u8,
|
||||
source: []const u8,
|
||||
|
||||
start: usize = 0,
|
||||
current: usize = 0,
|
||||
line: usize = 1,
|
||||
|
||||
pub fn init(allocator: *Allocator, source: []u8) Scanner {
|
||||
pub fn init(allocator: *Allocator, source: []const u8) Scanner {
|
||||
return Scanner{ .allocator = allocator, .source = source };
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue