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closer to linking

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next problem is there needs to be a namespace because it's needed for
getting the file, for debug info source location purposes.
This commit is contained in:
Andrew Kelley 2022-02-06 23:48:51 -07:00
parent 8a545069a4
commit ef2c19d3c1
2 changed files with 84 additions and 40 deletions
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19
src/Module.zig
View file

@ -4734,6 +4734,25 @@ pub fn createAnonymousDecl2(mod: *Module, typed_value: TypedValue, src_name: []c
return new_decl;
}
pub fn createDecl2(mod: *Module, typed_value: TypedValue, name: []const u8) !*Decl {
const duped_name = try mod.gpa.dupeZ(u8, name);
const new_decl = try mod.allocateNewDecl(duped_name, undefined, 0, null);
new_decl.src_line = 0;
new_decl.ty = typed_value.ty;
new_decl.val = typed_value.val;
new_decl.align_val = Value.@"null";
new_decl.linksection_val = Value.@"null";
new_decl.has_tv = true;
new_decl.analysis = .complete;
new_decl.generation = mod.generation;
new_decl.alive = true;
try mod.comp.bin_file.allocateDeclIndexes(new_decl);
return new_decl;
}
pub fn createAnonymousDeclFromDecl(
mod: *Module,
src_decl: *Decl,

105
src/aro/Codegen.zig
View file

@ -58,7 +58,7 @@ pub fn generateTree(comp: *Compilation, aro_comp: *aro.Compilation, tree: aro.Tr
const name = c.tree.tokSlice(node_datas[@enumToInt(decl_node)].decl.name);
const fn_proto_ty = node_tys[@enumToInt(decl_node)];
const zig_fn_ty = try c.lowerType(fn_proto_ty);
const new_decl = try mod.createAnonymousDecl2(.{
const new_decl = try mod.createDecl2(.{
.ty = zig_fn_ty,
.val = undefined,
}, name);
@ -287,25 +287,48 @@ fn genFn(c: *Codegen, decl_node: NodeIndex) !void {
std.debug.print("# End Function AIR: {s}\n\n", .{name});
}
@panic("TODO make a Decl and Fn");
//c.bin_file.updateFunc(module, module_fn, air, liveness) catch |err| switch (err) {
// error.OutOfMemory => return error.OutOfMemory,
// error.AnalysisFail => {
// decl.analysis = .codegen_failure;
// return;
// },
// else => {
// try module.failed_decls.ensureUnusedCapacity(gpa, 1);
// module.failed_decls.putAssumeCapacityNoClobber(decl, try Module.ErrorMsg.create(
// gpa,
// decl.srcLoc(),
// "unable to codegen: {s}",
// .{@errorName(err)},
// ));
// decl.analysis = .codegen_failure_retryable;
// return;
// },
//};
const node_tys = c.tree.nodes.items(.ty);
const aro_fn_ty = node_tys[@enumToInt(decl_node)];
const zig_fn_ty = try c.lowerType(aro_fn_ty);
const mod = c.bin_file.options.module.?;
const module_fn = try c.gpa.create(Module.Fn);
const fn_decl = try mod.createDecl2(.{
.ty = zig_fn_ty,
.val = try Value.Tag.function.create(c.arena, module_fn),
}, name);
//defer {
// module_fn.deinit(c.gpa);
// c.gpa.destroy(module_fn);
//}
module_fn.* = .{
.owner_decl = fn_decl,
.zir_body_inst = undefined,
.lbrace_line = 0,
.rbrace_line = 0,
.lbrace_column = 0,
.rbrace_column = 0,
.state = .success,
};
c.bin_file.updateFunc(mod, module_fn, air, liveness) catch |err| switch (err) {
error.OutOfMemory => return error.OutOfMemory,
error.AnalysisFail => {
fn_decl.analysis = .codegen_failure;
return;
},
else => {
try mod.failed_decls.ensureUnusedCapacity(c.gpa, 1);
mod.failed_decls.putAssumeCapacityNoClobber(fn_decl, try Module.ErrorMsg.create(
c.gpa,
fn_decl.srcLoc(),
"unable to codegen: {s}",
.{@errorName(err)},
));
fn_decl.analysis = .codegen_failure_retryable;
return;
},
};
}
fn lowerType(c: *Codegen, aro_ty: aro.Type) Allocator.Error!Type {
@ -328,23 +351,10 @@ fn lowerType(c: *Codegen, aro_ty: aro.Type) Allocator.Error!Type {
.long_double => return Type.initTag(.c_longdouble),
// int foo(int bar, char baz, ...)
.var_args_func => {
const param_types = try c.arena.alloc(Type, aro_ty.data.func.params.len);
for (param_types) |*ty, i| {
ty.* = try c.lowerType(aro_ty.data.func.params[i].ty);
}
const zig_ty = try Type.Tag.function.create(c.arena, .{
.param_types = param_types,
.comptime_params = undefined,
.return_type = try c.lowerType(aro_ty.data.func.return_type),
.alignment = 0,
.cc = .C,
.is_var_args = true,
.is_generic = false,
});
return zig_ty;
},
.var_args_func => return c.lowerTypeFunc(aro_ty, true),
// data.func
// int foo(int bar, char baz) and int (void)
.func => return c.lowerTypeFunc(aro_ty, false),
.pointer => {
const zig_ty = try Type.ptr(c.arena, .{
@ -365,9 +375,6 @@ fn lowerType(c: *Codegen, aro_ty: aro.Type) Allocator.Error!Type {
// data.sub_type
.unspecified_variable_len_array,
.decayed_unspecified_variable_len_array,
// data.func
// int foo(int bar, char baz) and int (void)
.func,
// int foo(bar, baz) and int foo()
// is also var args, but we can give warnings about incorrect amounts of parameters
.old_style_func,
@ -409,6 +416,24 @@ fn lowerType(c: *Codegen, aro_ty: aro.Type) Allocator.Error!Type {
}
}
fn lowerTypeFunc(c: *Codegen, aro_ty: aro.Type, is_var_args: bool) Allocator.Error!Type {
const param_types = try c.arena.alloc(Type, aro_ty.data.func.params.len);
for (param_types) |*ty, i| {
ty.* = try c.lowerType(aro_ty.data.func.params[i].ty);
}
const zig_ty = try Type.Tag.function.create(c.arena, .{
.param_types = param_types,
.comptime_params = undefined,
.return_type = try c.lowerType(aro_ty.data.func.return_type),
.alignment = 0,
.cc = .C,
.is_var_args = is_var_args,
.is_generic = false,
});
return zig_ty;
}
fn lowerValue(c: *Codegen, aro_ty: aro.Type, aro_val: aro.Value) Allocator.Error!TypedValue {
const zig_ty = try c.lowerType(aro_ty);
switch (aro_val.tag) {