birth-software/bloat-buster
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

wip

Browse Source
This commit is contained in:
David Gonzalez Martin 2025-06-19 11:49:21 -06:00
parent 14f856b550
commit 7426c6cc77
1 changed files with 161 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

190
src/compiler.bbb
View File

@ -101,6 +101,29 @@ assert = macro (ok: u1) void
}
}
ArgumentBuilder = struct
{
buffer: [128]&u8,
count: u64,
}
add_argument = fn (builder: &ArgumentBuilder, argument: []u8) void
{
assert(argument.pointer[argument.length] == 0);
>index = builder.count;
assert(index < builder.buffer.length);
builder.buffer[index] = argument.pointer;
builder.count = index + 1;
}
flush_arguments = fn (builder: &ArgumentBuilder) []&u8
{
>argument_count = builder.count;
assert(argument_count < builder.buffer.length);
builder.buffer[argument_count] = zero;
return builder.buffer[..argument_count];
}
align_forward = fn (value: u64, alignment: u64) u64
{
assert(alignment != 0);
@ -154,6 +177,22 @@ string_equal = fn(a: []u8, b: []u8) u1
return result;
}
string_first_character = fn (string: []u8, character: u8) u64
{
>result = string_no_match;
for (i: 0..string.length)
{
if (character == string[i])
{
result = i;
break;
}
}
return result;
}
string_last_character = fn(string: []u8, character: u8) u64
{
>i = string.length;
@ -1727,6 +1766,11 @@ get_byte_size = fn (type: &Type) u64
>result = element_size * element_count;
return result;
},
.alias =>
{
>result = get_byte_size(type.content.alias.type);
return result;
},
else =>
{
#trap();
@ -5851,7 +5895,7 @@ parse_left = fn (module: &Module, scope: &Scope, builder: ValueBuilder) &Value
},
.dot =>
{
>identifier = parse_identifier(module);
>identifier = parse_name(module);
result = new_value(module);
result.& = {
.content = {
@ -6565,7 +6609,12 @@ parse_statement = fn (module: &Module, scope: &Scope) &Statement
},
.return =>
{
>return_value = parse_value(module, scope, zero);
>return_value: &Value = zero;
// TODO: make this better
if (module.content[module.offset] != ';')
{
return_value = parse_value(module, scope, zero);
}
statement.content.return = return_value;
statement.id = .return;
},
@ -16627,29 +16676,6 @@ generate_object = fn (module: &LLVMModule, target_machine: &LLVMTargetMachine, o
return result;
}
ArgumentBuilder = struct
{
buffer: [128]&u8,
count: u64,
}
add_argument = fn (builder: &ArgumentBuilder, argument: []u8) void
{
assert(argument.pointer[argument.length] == 0);
>index = builder.count;
assert(index < builder.buffer.length);
builder.buffer[index] = argument.pointer;
builder.count = index + 1;
}
flush_arguments = fn (builder: &ArgumentBuilder) []&u8
{
>argument_count = builder.count;
assert(argument_count < builder.buffer.length);
builder.buffer[argument_count] = zero;
return builder.buffer[..argument_count];
}
link = fn (module: &Module) void
{
>arena = module.arena;
@ -17824,7 +17850,7 @@ compile = fn (arena: &Arena, options: CompileOptions) void
emit(&module);
}
compile_file = fn (arena: &Arena, compile_options: CompileFile) []u8
compile_file = fn (arena: &Arena, compile_options: CompileFile, envp: &&u8) []u8
{
>relative_file_path = compile_options.relative_file_path;
if (relative_file_path.length < 5)
@ -17901,7 +17927,113 @@ compile_file = fn (arena: &Arena, compile_options: CompileFile) []u8
if (is_compiler)
{
#trap();
>builder: ArgumentBuilder = zero;
add_argument(&builder, "/home/david/dev/llvm/install/llvm_20.1.3_x86_64-linux-Release/bin/llvm-config");
add_argument(&builder, "--libdir");
add_argument(&builder, "--libs");
add_argument(&builder, "--system-libs");
>arguments = flush_arguments(&builder);
>llvm_config = os_execute(arena, arguments, envp, {
.policies = [ .pipe, .ignore ],
zero,
});
>success = llvm_config.termination_kind == .exit and llvm_config.termination_code == 0;
if (!success)
{
report_error();
}
>stream = llvm_config.streams[0];
>line = string_first_character(stream, '\n');
if (line == string_no_match)
{
report_error();
}
library_directory = stream[..line];
library_directories = { .pointer = &library_directory, .length = 1 };
stream = stream[line + 1..];
line = string_first_character(stream, '\n');
if (line == string_no_match)
{
report_error();
}
>llvm_library_stream = stream[..line];
stream = stream[line + 1..];
>library_count: u64 = 0;
while (1)
{
>space = string_first_character(llvm_library_stream, ' ');
if (space == string_no_match)
{
>library_argument = llvm_library_stream;
library_buffer[library_count] = library_argument[2..];
library_count += 1;
break;
}
// Omit the first two characters: "-l"
>library_argument = llvm_library_stream[2..space];
library_buffer[library_count] = library_argument;
library_count += 1;
llvm_library_stream = llvm_library_stream[space + 1..];
}
line = string_first_character(stream, '\n');
if (line == string_no_match)
{
report_error();
}
assert(line == stream.length - 1);
>system_library_stream = stream[..line];
while (1)
{
>space = string_first_character(system_library_stream, ' ');
if (space == string_no_match)
{
>library_argument = llvm_library_stream;
library_buffer[library_count] = library_argument[2..];
library_count += 1;
break;
}
// Omit the first two characters: "-l"
>library_argument = system_library_stream[2..space];
library_buffer[library_count] = library_argument;
library_count += 1;
system_library_stream = system_library_stream[space + 1..];
}
library_buffer[library_count] = "gcc";
library_count += 1;
library_buffer[library_count] = "gcc_s";
library_count += 1;
library_buffer[library_count] = "lldCommon";
library_count += 1;
library_buffer[library_count] = "lldELF";
library_count += 1;
library_names = library_buffer[..library_count];
library_paths = { .pointer = &llvm_bindings_library, .length = 1 };
}
else if (string_equal(base_name, "c_abi"))
{
@ -18125,7 +18257,7 @@ names: [_][]u8 =
.build_mode = build_mode,
.has_debug_info = has_debug_info,
.silent = 0,
});
}, envp);
},
.test =>
{
@ -18149,7 +18281,7 @@ names: [_][]u8 =
.build_mode = build_mode,
.has_debug_info = has_debug_info,
.silent = 1,
});
}, envp);
>arguments: [_]&u8 = [
executable_path.pointer,