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[bun ffi] support i32, i8, u8, u16, i16, u32, bool

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This commit is contained in:
Jarred Sumner
2022-04-29 05:02:01 -07:00
parent 75374fdc32
commit f07463bdfd
5 changed files with 272 additions and 171 deletions
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40
src/javascript/jsc/api/ffi.zig
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@@ -404,6 +404,7 @@ pub const FFI = struct {
try source_code.append(0);
defer source_code.deinit();
var state = TCC.tcc_new() orelse return error.TCCMissing;
TCC.tcc_set_options(state, "-std=c11");
TCC.tcc_set_error_func(state, this, handleTCCError);
// defer TCC.tcc_delete(state);
_ = TCC.tcc_set_output_type(state, TCC.TCC_OUTPUT_MEMORY);
@@ -469,6 +470,21 @@ pub const FFI = struct {
this: *Function,
writer: anytype,
) !void {
brk: {
if (this.return_type == .primitive and this.return_type.primitive.isFloatingPoint()) {
try writer.writeAll("#define USES_FLOAT 1\n");
break :brk;
}
for (this.arg_types.items) |arg| {
// conditionally include math.h
if (arg == .primitive and arg.primitive.isFloatingPoint()) {
try writer.writeAll("#define USES_FLOAT 1\n");
break;
}
}
}
if (comptime Environment.isRelease) {
try writer.writeAll(std.mem.span(FFI_HEADER));
} else {
@@ -524,7 +540,8 @@ pub const FFI = struct {
first = false;
try writer.print("arg{d}", .{i});
}
try writer.writeAll(");\n\n");
try writer.writeAll(");\n");
if (!first) try writer.writeAll("\n");
try writer.writeAll(" ");
@@ -548,6 +565,10 @@ pub const FFI = struct {
ABIType,
.{
.{ "char", ABIType{ .primitive = Primitive.Tag.char } },
.{ "float", ABIType{ .primitive = Primitive.Tag.float } },
.{ "double", ABIType{ .primitive = Primitive.Tag.double } },
.{ "f32", ABIType{ .primitive = Primitive.Tag.float } },
.{ "f64", ABIType{ .primitive = Primitive.Tag.double } },
.{ "bool", ABIType{ .primitive = Primitive.Tag.@"bool" } },
.{ "i8", ABIType{ .primitive = Primitive.Tag.int8_t } },
@@ -702,6 +723,13 @@ pub const FFI = struct {
bool = 13,
pub fn isFloatingPoint(this: Tag) bool {
return switch (this) {
.double, .float => true,
else => false,
};
}
const ToCFormatter = struct {
symbol: string,
tag: Tag,
@@ -710,7 +738,7 @@ pub const FFI = struct {
switch (self.tag) {
.void => {},
.bool => {
try writer.print("JSVALUE_IS_TRUE({s})", .{self.symbol});
try writer.print("JSVALUE_TO_BOOL({s})", .{self.symbol});
},
.char, .int8_t, .uint8_t, .int16_t, .uint16_t, .int32_t, .uint32_t => {
try writer.print("JSVALUE_TO_INT32({s})", .{self.symbol});
@@ -744,10 +772,10 @@ pub const FFI = struct {
.int64_t => {},
.uint64_t => {},
.double => {
try writer.print("DOUBLE_to_JSVALUE({s})", .{self.symbol});
try writer.print("DOUBLE_TO_JSVALUE({s})", .{self.symbol});
},
.float => {
try writer.print("FLOAT_to_JSVALUE({s})", .{self.symbol});
try writer.print("FLOAT_TO_JSVALUE({s})", .{self.symbol});
},
else => unreachable,
}
@@ -781,8 +809,8 @@ pub const FFI = struct {
.int64_t => "int64_t",
.uint64_t => "uint64_t",
.double => "float",
.float => "double",
.char => "int8_t",
.float => "float",
.char => "char",
else => unreachable,
};
}