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translate c type names

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Vexu 2020-02-05 17:52:46 +02:00
parent 1f49460dcb
commit f196ddd251
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2 changed files with 31 additions and 11 deletions
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38
src-self-hosted/translate_c.zig
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@ -4811,6 +4811,15 @@ fn transCreateNodeIdentifier(c: *Context, name: []const u8) !*ast.Node {
return &identifier.base;
}
fn transCreateNodeTypeIdentifier(c: *Context, name: []const u8) !*ast.Node {
const token_index = try appendTokenFmt(c, .Identifier, "{}", .{name});
const identifier = try c.a().create(ast.Node.Identifier);
identifier.* = .{
.token = token_index,
};
return &identifier.base;
}
pub fn freeErrors(errors: []ClangErrMsg) void {
ZigClangErrorMsg_delete(errors.ptr, errors.len);
}
@ -5314,14 +5323,15 @@ fn parseCPrimaryExpr(c: *Context, it: *CTokenList.Iterator, source: []const u8,
return parseCNumLit(c, tok, source, source_loc);
},
// eventually this will be replaced by std.c.parse which will handle these correctly
.Keyword_void,
.Keyword_bool,
.Keyword_double,
.Keyword_long,
.Keyword_int,
.Keyword_float,
.Keyword_short,
.Keyword_char,
.Keyword_void => return transCreateNodeTypeIdentifier(c, "c_void"),
.Keyword_bool => return transCreateNodeTypeIdentifier(c, "bool"),
.Keyword_double => return transCreateNodeTypeIdentifier(c, "f64"),
.Keyword_long => return transCreateNodeTypeIdentifier(c, "c_long"),
.Keyword_int => return transCreateNodeTypeIdentifier(c, "c_int"),
.Keyword_float => return transCreateNodeTypeIdentifier(c, "f32"),
.Keyword_short => return transCreateNodeTypeIdentifier(c, "c_short"),
.Keyword_char => return transCreateNodeTypeIdentifier(c, "c_char"),
.Keyword_unsigned => return transCreateNodeTypeIdentifier(c, "c_uint"),
.Identifier => {
const mangled_name = scope.getAlias(source[tok.start..tok.end]);
return transCreateNodeIdentifier(c, mangled_name);
@ -5483,7 +5493,17 @@ fn parseCSuffixOpExpr(c: *Context, it: *CTokenList.Iterator, source: []const u8,
// hack to get zig fmt to render a comma in builtin calls
_ = try appendToken(c, .Comma, ",");
const ptr = try transCreateNodePtrType(c, false, false, .Identifier);
const ptr_kind = blk:{
// * token
_ = it.prev();
// last token of `node`
const prev_id = it.prev().?.id;
_ = it.next();
_ = it.next();
break :blk if (prev_id == .Keyword_void) .Asterisk else Token.Id.Identifier;
};
const ptr = try transCreateNodePtrType(c, false, false, ptr_kind);
ptr.rhs = node;
return &ptr.base;
} else {

4
test/translate_c.zig
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@ -2530,8 +2530,8 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
cases.add("macro cast",
\\#define FOO(bar) baz((void *)(baz))
, &[_][]const u8{
\\pub inline fn FOO(bar: var) @TypeOf(baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast([*c]void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr([*c]void, baz) else @as([*c]void, baz))) {
\\ return baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast([*c]void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr([*c]void, baz) else @as([*c]void, baz));
\\pub inline fn FOO(bar: var) @TypeOf(baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast(*c_void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr(*c_void, baz) else @as(*c_void, baz))) {
\\ return baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast(*c_void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr(*c_void, baz) else @as(*c_void, baz));
\\}
});