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add debug info for loop variables 

closes #112
master
Andrew Kelley 2016-02-07 12:58:09 -07:00
parent 94ed9f622a
commit 049e9e5819
1 changed files with 15 additions and 8 deletions
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23
src/codegen.cpp
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@ -2152,6 +2152,15 @@ static LLVMValueRef gen_while_expr(CodeGen *g, AstNode *node) {
return nullptr;
}
static void gen_var_debug_decl(CodeGen *g, VariableTableEntry *var) {
BlockContext *block_context = var->block_context;
AstNode *source_node = block_context->node;
LLVMZigDILocation *debug_loc = LLVMZigGetDebugLoc(source_node->line + 1, source_node->column + 1,
block_context->di_scope);
LLVMZigInsertDeclareAtEnd(g->dbuilder, var->value_ref, var->di_loc_var, debug_loc,
LLVMGetInsertBlock(g->builder));
}
static LLVMValueRef gen_for_expr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeForExpr);
assert(node->data.for_expr.array_expr);
@ -2175,6 +2184,9 @@ static LLVMValueRef gen_for_expr(CodeGen *g, AstNode *node) {
LLVMValueRef array_val = gen_array_base_ptr(g, node->data.for_expr.array_expr);
add_debug_source_node(g, node);
LLVMBuildStore(g->builder, LLVMConstNull(index_var->type->type_ref), index_ptr);
gen_var_debug_decl(g, index_var);
LLVMValueRef len_val;
TypeTableEntry *child_type;
if (array_type->id == TypeTableEntryIdArray) {
@ -2203,6 +2215,7 @@ static LLVMValueRef gen_for_expr(CodeGen *g, AstNode *node) {
LLVMValueRef elem_val = handle_is_ptr(child_type) ? elem_ptr : LLVMBuildLoad(g->builder, elem_ptr, "");
gen_assign_raw(g, node, BinOpTypeAssign, elem_var->value_ref, elem_val,
elem_var->type, child_type);
gen_var_debug_decl(g, elem_var);
g->break_block_stack.append(end_block);
g->continue_block_stack.append(continue_block);
gen_expr(g, node->data.for_expr.body);
@ -2335,10 +2348,7 @@ static LLVMValueRef gen_var_decl_raw(CodeGen *g, AstNode *source_node, AstNodeVa
}
}
LLVMZigDILocation *debug_loc = LLVMZigGetDebugLoc(source_node->line + 1, source_node->column + 1,
source_node->block_context->di_scope);
LLVMZigInsertDeclareAtEnd(g->dbuilder, variable->value_ref, variable->di_loc_var, debug_loc,
LLVMGetInsertBlock(g->builder));
gen_var_debug_decl(g, variable);
return nullptr;
}
@ -3107,10 +3117,7 @@ static void do_code_gen(CodeGen *g) {
VariableTableEntry *variable = param_decl->data.param_decl.variable;
assert(variable);
LLVMZigDILocation *debug_loc = LLVMZigGetDebugLoc(param_decl->line + 1, param_decl->column + 1,
fn_def_node->data.fn_def.block_context->di_scope);
LLVMZigInsertDeclareAtEnd(g->dbuilder, variable->value_ref, variable->di_loc_var, debug_loc,
entry_block);
gen_var_debug_decl(g, variable);
}
// allocate structs which are the result of casts