| author |  Andrew Kelley <andrew@ziglang.org> 2019-06-14 15:20:52-04:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2019-06-14 15:28:52-04:00 |
| log | 42ea2d0d1c3b8cafdfc9a383cbb1bab274eb0140 |
| tree | b4cda1880f432c47c228747c356200b01604bafb |
| parent | 9e8db5b7505a6c2e601c8a94b9d8a4282b5df184 |
| signature |  Commit is signed but in an unrecognized format. |
fix `@export` for arrays and allow sections on extern variables
previously `@export` for an array would panic with a TODO message.
now it will do the export. However, it uses the variable's name
rather than the name passed to `@export`. Issue #2679 remains open
for that problem.3 files changed, 11 insertions(+), 31 deletions(-)
src/analyze.cpp+2-10
| ... | ... | @@ -2780,12 +2780,7 @@ static void resolve_decl_fn(CodeGen *g, TldFn *tld_fn) { |
| 2780 | 2780 | fn_table_entry->type_entry = analyze_fn_type(g, source_node, child_scope, fn_table_entry); |
| 2781 | 2781 | |
| 2782 | 2782 | if (fn_proto->section_expr != nullptr) { |
| 2783 | if (fn_table_entry->body_node == nullptr) { | |
| 2784 | add_node_error(g, fn_proto->section_expr, | |
| 2785 | buf_sprintf("cannot set section of external function '%s'", buf_ptr(&fn_table_entry->symbol_name))); | |
| 2786 | } else { | |
| 2787 | analyze_const_string(g, child_scope, fn_proto->section_expr, &fn_table_entry->section_name); | |
| 2788 | } | |
| 2783 | analyze_const_string(g, child_scope, fn_proto->section_expr, &fn_table_entry->section_name); | |
| 2789 | 2784 | } |
| 2790 | 2785 | |
| 2791 | 2786 | if (fn_table_entry->type_entry->id == ZigTypeIdInvalid) { |
| ... | ... | @@ -3258,10 +3253,7 @@ static void resolve_decl_var(CodeGen *g, TldVar *tld_var) { |
| 3258 | 3253 | } |
| 3259 | 3254 | |
| 3260 | 3255 | if (var_decl->section_expr != nullptr) { |
| 3261 | if (var_decl->is_extern) { | |
| 3262 | add_node_error(g, var_decl->section_expr, | |
| 3263 | buf_sprintf("cannot set section of external variable '%s'", buf_ptr(var_decl->symbol))); | |
| 3264 | } else if (!analyze_const_string(g, tld_var->base.parent_scope, var_decl->section_expr, &tld_var->section_name)) { | |
| 3256 | if (!analyze_const_string(g, tld_var->base.parent_scope, var_decl->section_expr, &tld_var->section_name)) { | |
| 3265 | 3257 | tld_var->section_name = nullptr; |
| 3266 | 3258 | } |
| 3267 | 3259 | } |
src/ir.cpp+9-1
| ... | ... | @@ -13901,6 +13901,15 @@ static IrInstruction *ir_analyze_instruction_export(IrAnalyze *ira, IrInstructio |
| 13901 | 13901 | want_var_export = true; |
| 13902 | 13902 | } |
| 13903 | 13903 | break; |
| 13904 | case ZigTypeIdArray: | |
| 13905 | if (!type_allowed_in_extern(ira->codegen, target->value.type->data.array.child_type)) { | |
| 13906 | ir_add_error(ira, target, | |
| 13907 | buf_sprintf("array element type '%s' not extern-compatible", | |
| 13908 | buf_ptr(&target->value.type->data.array.child_type->name))); | |
| 13909 | } else { | |
| 13910 | want_var_export = true; | |
| 13911 | } | |
| 13912 | break; | |
| 13904 | 13913 | case ZigTypeIdMetaType: { |
| 13905 | 13914 | ZigType *type_value = target->value.data.x_type; |
| 13906 | 13915 | switch (type_value->id) { |
| ... | ... | @@ -13968,7 +13977,6 @@ static IrInstruction *ir_analyze_instruction_export(IrAnalyze *ira, IrInstructio |
| 13968 | 13977 | case ZigTypeIdInt: |
| 13969 | 13978 | case ZigTypeIdFloat: |
| 13970 | 13979 | case ZigTypeIdPointer: |
| 13971 | case ZigTypeIdArray: | |
| 13972 | 13980 | case ZigTypeIdComptimeFloat: |
| 13973 | 13981 | case ZigTypeIdComptimeInt: |
| 13974 | 13982 | case ZigTypeIdUndefined: |
test/compile_errors.zig-20
| ... | ... | @@ -4645,16 +4645,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { |
| 4645 | 4645 | "tmp.zig:1:1: note: declared here", |
| 4646 | 4646 | ); |
| 4647 | 4647 | |
| 4648 | cases.add( | |
| 4649 | "setting a section on an extern variable", | |
| 4650 | \\extern var foo: i32 linksection(".text2"); | |
| 4651 | \\export fn entry() i32 { | |
| 4652 | \\ return foo; | |
| 4653 | \\} | |
| 4654 | , | |
| 4655 | "tmp.zig:1:33: error: cannot set section of external variable 'foo'", | |
| 4656 | ); | |
| 4657 | ||
| 4658 | 4648 | cases.add( |
| 4659 | 4649 | "setting a section on a local variable", |
| 4660 | 4650 | \\export fn entry() i32 { |
| ... | ... | @@ -4665,16 +4655,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { |
| 4665 | 4655 | "tmp.zig:2:30: error: cannot set section of local variable 'foo'", |
| 4666 | 4656 | ); |
| 4667 | 4657 | |
| 4668 | cases.add( | |
| 4669 | "setting a section on an extern fn", | |
| 4670 | \\extern fn foo() linksection(".text2") void; | |
| 4671 | \\export fn entry() void { | |
| 4672 | \\ foo(); | |
| 4673 | \\} | |
| 4674 | , | |
| 4675 | "tmp.zig:1:29: error: cannot set section of external function 'foo'", | |
| 4676 | ); | |
| 4677 | ||
| 4678 | 4658 | cases.add( |
| 4679 | 4659 | "returning address of local variable - simple", |
| 4680 | 4660 | \\export fn foo() *i32 { |