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Pass 'global'

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This commit is contained in:
David Gonzalez Martin 2025-06-12 17:02:48 -06:00
parent 7f5d0834ae
commit b9d7212169
1 changed files with 394 additions and 355 deletions
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81
src/compiler.bbb
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@ -6238,7 +6238,30 @@ parse = fn (module: &Module) void
if (!is_global_keyword) if (!is_global_keyword)
{ {
#trap(); >initial_value = parse_value(module, scope, zero);
skip_space(module);
expect_character(module, ';');
>global_storage = new_value(module);
global_storage.& = {
.id = .global,
zero,
};
>global = new_global(module);
global.& = {
.variable = {
.storage = global_storage,
.type = global_type,
.scope = scope,
.name = global_name,
.line = global_line,
.column = global_column,
},
.initial_value = initial_value,
.linkage = .internal, // TODO: linkage
zero,
};
} }
} }
} }
@ -10829,14 +10852,14 @@ emit = fn (module: &Module) void
continue; continue;
} }
>global_pointer_type = global.variable.storage.type;
assert(global_pointer_type.id == .pointer);
>global_value_type = global_pointer_type.content.pointer.element_type;
switch (global.variable.storage.id) switch (global.variable.storage.id)
{ {
.function, .forward_declared_function => .function, .forward_declared_function =>
{ {
>global_pointer_type = global.variable.storage.type;
assert(global_pointer_type.id == .pointer);
>global_value_type = global_pointer_type.content.pointer.element_type;
>function_type = &global_value_type.content.function; >function_type = &global_value_type.content.function;
>semantic_argument_types = function_type.base.semantic_argument_types; >semantic_argument_types = function_type.base.semantic_argument_types;
>semantic_return_type = function_type.base.semantic_return_type; >semantic_return_type = function_type.base.semantic_return_type;
@ -11063,7 +11086,16 @@ emit = fn (module: &Module) void
assert(!module.current_macro_instantiation); assert(!module.current_macro_instantiation);
assert(!module.current_macro_declaration); assert(!module.current_macro_declaration);
if (global.variable.storage.id == .function) if (global.emitted)
{
continue;
}
switch (global.variable.storage.id)
{
.function,
.forward_declared_function,
=>
{ {
module.current_function = global; module.current_function = global;
@ -11096,11 +11128,11 @@ emit = fn (module: &Module) void
.ignore => {}, .ignore => {},
.indirect => .indirect =>
{ {
#trap(); #trap();
}, },
.in_alloca => .in_alloca =>
{ {
#trap(); #trap();
}, },
else => else =>
{ {
@ -11142,12 +11174,12 @@ emit = fn (module: &Module) void
if (coerce_to_type.llvm.abi != LLVMTypeOf(v)) if (coerce_to_type.llvm.abi != LLVMTypeOf(v))
{ {
#trap(); #trap();
} }
if (is_promoted) if (is_promoted)
{ {
#trap(); #trap();
} }
// TODO: this we can get rid of because we handle all of this inside `create_alloca`, load, stores, etc // TODO: this we can get rid of because we handle all of this inside `create_alloca`, load, stores, etc
@ -11179,7 +11211,7 @@ emit = fn (module: &Module) void
} }
else else
{ {
#trap(); #trap();
} }
create_store(module, { create_store(module, {
@ -11214,7 +11246,7 @@ emit = fn (module: &Module) void
>is_fixed_vector_type: u1 = 0; >is_fixed_vector_type: u1 = 0;
if (is_fixed_vector_type) if (is_fixed_vector_type)
{ {
#trap(); #trap();
} }
if (coerce_to_type.id == .struct and coerce_to_type.content.struct.fields.length > 1 and argument_abi.flags.kind == .direct and !argument_abi.flags.can_be_flattened) if (coerce_to_type.id == .struct and coerce_to_type.content.struct.fields.length > 1 and argument_abi.flags.kind == .direct and !argument_abi.flags.can_be_flattened)
@ -11222,7 +11254,7 @@ emit = fn (module: &Module) void
>contains_homogeneous_scalable_vector_types: u1 = 0; >contains_homogeneous_scalable_vector_types: u1 = 0;
if (contains_homogeneous_scalable_vector_types) if (contains_homogeneous_scalable_vector_types)
{ {
#trap(); #trap();
} }
} }
@ -11237,7 +11269,7 @@ emit = fn (module: &Module) void
if (argument_abi.attributes.direct.offset > 0) if (argument_abi.attributes.direct.offset > 0)
{ {
#trap(); #trap();
} }
else else
{ {
@ -11253,7 +11285,7 @@ emit = fn (module: &Module) void
if (is_scalable) if (is_scalable)
{ {
#trap(); #trap();
} }
else else
{ {
@ -11317,7 +11349,7 @@ emit = fn (module: &Module) void
}, },
.indirect => .indirect =>
{ {
#trap(); #trap();
}, },
else => else =>
{ {
@ -11357,7 +11389,7 @@ emit = fn (module: &Module) void
} }
else else
{ {
#trap(); #trap();
} }
} }
else else
@ -11381,7 +11413,7 @@ emit = fn (module: &Module) void
if (has_single_jump_to_return_block) if (has_single_jump_to_return_block)
{ {
#trap(); #trap();
} }
else else
{ {
@ -11399,7 +11431,7 @@ emit = fn (module: &Module) void
>semantic_return_type = return_abi.semantic_type; >semantic_return_type = return_abi.semantic_type;
if (semantic_return_type == noreturn_type(module) or function.content.function.attributes.naked) if (semantic_return_type == noreturn_type(module) or function.content.function.attributes.naked)
{ {
#trap(); #trap();
} }
else if (semantic_return_type == void_type(module)) else if (semantic_return_type == void_type(module))
{ {
@ -11437,12 +11469,12 @@ emit = fn (module: &Module) void
} }
else else
{ {
#trap(); #trap();
} }
}, },
.indirect => .indirect =>
{ {
#trap(); #trap();
}, },
} }
@ -11451,6 +11483,12 @@ emit = fn (module: &Module) void
// END OF SCOPE // END OF SCOPE
module.current_function = zero; module.current_function = zero;
},
.global =>
{
#trap();
},
else => { report_error(); },
} }
global = global.next; global = global.next;
@ -11783,6 +11821,7 @@ names: [_][]u8 = [
"pointer_cast", "pointer_cast",
"u1_return", "u1_return",
"local_type_inference", "local_type_inference",
"global",
]; ];
[export] main = fn [cc(c)] (argument_count: u32, argv: &&u8, envp: &&u8) s32 [export] main = fn [cc(c)] (argument_count: u32, argv: &&u8, envp: &&u8) s32