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std.zig.parser now parses alignment of functions

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Related #909
This allows it to parse `std/special/compiler_rt/index.zig`
This commit is contained in:
Jimmi Holst Christensen 2018-04-12 08:46:26 +02:00
parent 2b86ffe34a
commit 0d8646d262
1 changed files with 19 additions and 32 deletions
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51
std/zig/parser.zig
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@ -2330,12 +2330,14 @@ pub const Parser = struct {
},
State.FnProtoAlign => |fn_proto| {
stack.append(State { .FnProtoReturnType = fn_proto }) catch unreachable;
if (self.eatToken(Token.Id.Keyword_align)) |align_token| {
@panic("TODO fn proto align");
try stack.append(State { .ExpectToken = Token.Id.RParen });
try stack.append(State { .Expression = DestPtr { .NullableField = &fn_proto.align_expr } });
try stack.append(State { .ExpectToken = Token.Id.LParen });
}
stack.append(State {
.FnProtoReturnType = fn_proto,
}) catch unreachable;
continue;
},
@ -2349,10 +2351,6 @@ pub const Parser = struct {
}) catch unreachable;
continue;
},
Token.Id.Keyword_align => {
@panic("TODO fn proto align");
continue;
},
else => {
// TODO: this is a special case. Remove this when #760 is fixed
if (token.id == Token.Id.Keyword_error) {
@ -3179,7 +3177,6 @@ pub const Parser = struct {
const RenderState = union(enum) {
TopLevelDecl: &ast.Node,
FnProtoRParen: &ast.NodeFnProto,
ParamDecl: &ast.Node,
Text: []const u8,
Expression: &ast.Node,
@ -3868,8 +3865,10 @@ pub const Parser = struct {
},
}
if (fn_proto.align_expr != null) {
@panic("TODO");
if (fn_proto.align_expr) |align_expr| {
try stack.append(RenderState { .Text = ") " });
try stack.append(RenderState { .Expression = align_expr});
try stack.append(RenderState { .Text = "align(" });
}
try stack.append(RenderState { .Text = ") " });
@ -4271,26 +4270,6 @@ pub const Parser = struct {
ast.Node.Id.TestDecl,
ast.Node.Id.ParamDecl => unreachable,
},
RenderState.FnProtoRParen => |fn_proto| {
try stream.print(")");
if (fn_proto.align_expr != null) {
@panic("TODO");
}
try stream.print(" ");
if (fn_proto.body_node) |body_node| {
try stack.append(RenderState { .Expression = body_node});
try stack.append(RenderState { .Text = " "});
}
switch (fn_proto.return_type) {
ast.NodeFnProto.ReturnType.Explicit => |node| {
try stack.append(RenderState { .Expression = node});
},
ast.NodeFnProto.ReturnType.InferErrorSet => |node| {
try stream.print("!");
try stack.append(RenderState { .Expression = node});
},
}
},
RenderState.Statement => |base| {
if (base.comment) |comment| {
for (comment.lines.toSliceConst()) |line_token| {
@ -4644,12 +4623,20 @@ test "zig fmt: var type" {
);
}
test "zig fmt: extern function" {
test "zig fmt: functions" {
try testCanonical(
\\extern fn puts(s: &const u8) c_int;
\\extern "c" fn puts(s: &const u8) c_int;
\\export fn puts(s: &const u8) c_int;
\\inline fn puts(s: &const u8) c_int;
\\pub extern fn puts(s: &const u8) c_int;
\\pub extern "c" fn puts(s: &const u8) c_int;
\\pub export fn puts(s: &const u8) c_int;
\\pub inline fn puts(s: &const u8) c_int;
\\pub extern fn puts(s: &const u8) align(2 + 2) c_int;
\\pub extern "c" fn puts(s: &const u8) align(2 + 2) c_int;
\\pub export fn puts(s: &const u8) align(2 + 2) c_int;
\\pub inline fn puts(s: &const u8) align(2 + 2) c_int;
\\
);
}