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dev/sdl3-parser #1

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peterino wants to merge 51 commits from dev/sdl3-parser into dev/variant-engine
pull from: dev/sdl3-parser
merge into: peterino:dev/variant-engine
Conversation 0 Commits 51 Files Changed 105 +55 -1
3 changed files with 55 additions and 1 deletions
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Showing only changes of commit 79dd39e36a - Show all commits

2
lib/sdl3/parser/src/codegen.zig vendored
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@ -82,6 +82,7 @@ pub const CodeGen = struct {
fn writeHeader(self: *CodeGen) !void {
const header =
\\const std = @import("std");
\\pub const c = @import("c.zig").c;
\\
\\
@ -617,6 +618,7 @@ test "generate opaque type" {
defer std.testing.allocator.free(output);
const expected =
\\const std = @import("std");
\\pub const c = @import("c.zig").c;
\\
\\pub const GPUDevice = opaque {};

52
lib/sdl3/parser/src/patterns.zig vendored
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@ -871,7 +871,57 @@ pub const Scanner = struct {
// Parse: ReturnType SDLCALL FunctionName(params);
const doc = self.consumePendingDocComment();
const text = func_text.items;
var text = func_text.items;
// Strip format string attribute macros
const macros_to_strip = [_][]const u8{
"SDL_PRINTF_FORMAT_STRING ",
"SDL_WPRINTF_FORMAT_STRING ",
"SDL_SCANF_FORMAT_STRING ",
};
for (macros_to_strip) |macro| {
while (std.mem.indexOf(u8, text, macro)) |pos| {
// Create new string without the macro
const before = text[0..pos];
const after = text[pos + macro.len ..];
const new_text = try std.fmt.allocPrint(self.allocator, "{s}{s}", .{ before, after });
defer self.allocator.free(new_text);
// Replace func_text content
func_text.clearRetainingCapacity();
try func_text.appendSlice(self.allocator, new_text);
text = func_text.items;
}
}
// Strip vararg function macros from end (e.g., SDL_PRINTF_VARARG_FUNC(1))
const vararg_macros = [_][]const u8{
"SDL_PRINTF_VARARG_FUNC",
"SDL_PRINTF_VARARG_FUNCV",
"SDL_WPRINTF_VARARG_FUNC",
"SDL_SCANF_VARARG_FUNC",
};
for (vararg_macros) |macro| {
if (std.mem.indexOf(u8, text, macro)) |pos| {
// Find semicolon after this position
if (std.mem.indexOfScalarPos(u8, text, pos, ';')) |semi_pos| {
// Find the closing ) before semicolon
var paren_pos = semi_pos;
while (paren_pos > pos and text[paren_pos] != ')') : (paren_pos -= 1) {}
if (text[paren_pos] == ')') {
// Remove from macro to )
const before = text[0..pos];
const after = text[paren_pos + 1 ..];
const new_text = try std.fmt.allocPrint(self.allocator, "{s}{s}", .{ before, after });
defer self.allocator.free(new_text);
func_text.clearRetainingCapacity();
try func_text.appendSlice(self.allocator, new_text);
text = func_text.items;
}
}
}
}
// Find SDLCALL to split return type and function name
const sdlcall_pos = std.mem.indexOf(u8, text, "SDLCALL ") orelse return null;

2
lib/sdl3/parser/src/types.zig vendored
View File

@ -27,6 +27,7 @@ pub fn convertType(c_type: []const u8, allocator: Allocator) ![]const u8 {
if (std.mem.eql(u8, trimmed, "double")) return try allocator.dupe(u8, "f64");
if (std.mem.eql(u8, trimmed, "char")) return try allocator.dupe(u8, "u8");
if (std.mem.eql(u8, trimmed, "int")) return try allocator.dupe(u8, "c_int");
if (std.mem.eql(u8, trimmed, "va_list")) return try allocator.dupe(u8, "std.builtin.VaList");
// SDL integer types
if (std.mem.eql(u8, trimmed, "Uint8")) return try allocator.dupe(u8, "u8");
@ -45,6 +46,7 @@ pub fn convertType(c_type: []const u8, allocator: Allocator) ![]const u8 {
if (std.mem.eql(u8, trimmed, "char *")) return try allocator.dupe(u8, "[*c]u8");
if (std.mem.eql(u8, trimmed, "void *")) return try allocator.dupe(u8, "?*anyopaque");
if (std.mem.eql(u8, trimmed, "const void *")) return try allocator.dupe(u8, "?*const anyopaque");
if (std.mem.eql(u8, trimmed, "void **")) return try allocator.dupe(u8, "[*c]?*anyopaque");
if (std.mem.eql(u8, trimmed, "const Uint8 *")) return try allocator.dupe(u8, "[*c]const u8");
if (std.mem.eql(u8, trimmed, "Uint8 *")) return try allocator.dupe(u8, "[*c]u8");