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codegen: emit debug metadata for parameters

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This commit is contained in:
Andrew Kelley
2016-01-02 20:42:32 -07:00
parent 258bc73eee
commit fb1e3a5be9
5 changed files with 39 additions and 1 deletions
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19
src/codegen.cpp
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@@ -1530,7 +1530,8 @@ static void do_code_gen(CodeGen *g) {
non_void_index += 1;
}
build_label_blocks(g, fn_def_node->data.fn_def.body);
AstNode *body_node = fn_def_node->data.fn_def.body;
build_label_blocks(g, body_node);
// Set up debug info for blocks and variables and
// allocate all local variables
@@ -1593,6 +1594,22 @@ static void do_code_gen(CodeGen *g) {
}
}
// create debug variable declarations for parameters
for (int param_i = 0; param_i < fn_proto->params.length; param_i += 1) {
AstNode *param_decl = fn_proto->params.at(param_i);
assert(param_decl->type == NodeTypeParamDecl);
if (is_param_decl_type_void(g, param_decl))
continue;
VariableTableEntry *variable = param_decl->codegen_node->data.param_decl_node.variable;
LLVMZigDILocation *debug_loc = LLVMZigGetDebugLoc(param_decl->line + 1, param_decl->column + 1,
codegen_fn_def->block_context->di_scope);
LLVMZigInsertDeclareAtEnd(g->dbuilder, variable->value_ref, variable->di_loc_var, debug_loc,
entry_block);
}
TypeTableEntry *implicit_return_type = codegen_fn_def->implicit_return_type;
gen_block(g, fn_def_node->data.fn_def.body, implicit_return_type);