From bf496862be1ba863285aa2c1a2262b2d764c3e53 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 29 Jul 2010 14:36:59 -0700
Subject: glsl2: When dumping IR for debug, indent nested blocks.

No more trying to match parens in my head when looking at the body of
a short function containing an if statement.
---
 src/glsl/ir_print_visitor.cpp | 53 ++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 50 insertions(+), 3 deletions(-)

(limited to 'src/glsl/ir_print_visitor.cpp')

diff --git a/src/glsl/ir_print_visitor.cpp b/src/glsl/ir_print_visitor.cpp
index 88a0a6f0c8..7df9d8adcd 100644
--- a/src/glsl/ir_print_visitor.cpp
+++ b/src/glsl/ir_print_visitor.cpp
@@ -65,6 +65,13 @@ _mesa_print_ir(exec_list *instructions,
    printf("\n)");
 }
 
+
+void ir_print_visitor::indent(void)
+{
+   for (int i = 0; i < indentation; i++)
+      printf("  ");
+}
+
 static void
 print_type(const glsl_type *t)
 {
@@ -102,23 +109,43 @@ void ir_print_visitor::visit(ir_variable *ir)
 void ir_print_visitor::visit(ir_function_signature *ir)
 {
    printf("(signature ");
+   indentation++;
+
    print_type(ir->return_type);
-   printf("\n  (parameters\n");
+   printf("\n");
+   indent();
+
+   printf("(parameters\n");
+   indentation++;
+
    foreach_iter(exec_list_iterator, iter, ir->parameters) {
       ir_variable *const inst = (ir_variable *) iter.get();
 
+      indent();
       inst->accept(this);
       printf("\n");
    }
-   printf("  )\n(");
+   indentation--;
+
+   indent();
+   printf(")\n");
+
+   indent();
+
+   printf("(\n");
+   indentation++;
 
    foreach_iter(exec_list_iterator, iter, ir->body) {
       ir_instruction *const inst = (ir_instruction *) iter.get();
 
+      indent();
       inst->accept(this);
       printf("\n");
    }
+   indentation--;
+   indent();
    printf("))\n");
+   indentation--;
 }
 
 
@@ -135,13 +162,16 @@ void ir_print_visitor::visit(ir_function *ir)
       return;
 
    printf("(function %s\n", ir->name);
+   indentation++;
    foreach_iter(exec_list_iterator, iter, *ir) {
       ir_function_signature *const sig = (ir_function_signature *) iter.get();
 
+      indent();
       sig->accept(this);
       printf("\n");
    }
-
+   indentation--;
+   indent();
    printf(")\n\n");
 }
 
@@ -352,21 +382,33 @@ ir_print_visitor::visit(ir_if *ir)
    ir->condition->accept(this);
 
    printf("(\n");
+   indentation++;
+
    foreach_iter(exec_list_iterator, iter, ir->then_instructions) {
       ir_instruction *const inst = (ir_instruction *) iter.get();
 
+      indent();
       inst->accept(this);
       printf("\n");
    }
+
+   indentation--;
+   indent();
    printf(")\n");
 
+   indent();
    printf("(\n");
+   indentation++;
+
    foreach_iter(exec_list_iterator, iter, ir->else_instructions) {
       ir_instruction *const inst = (ir_instruction *) iter.get();
 
+      indent();
       inst->accept(this);
       printf("\n");
    }
+   indentation--;
+   indent();
    printf("))\n");
 }
 
@@ -387,12 +429,17 @@ ir_print_visitor::visit(ir_loop *ir)
    if (ir->increment != NULL)
       ir->increment->accept(this);
    printf(") (\n");
+   indentation++;
+
    foreach_iter(exec_list_iterator, iter, ir->body_instructions) {
       ir_instruction *const inst = (ir_instruction *) iter.get();
 
+      indent();
       inst->accept(this);
       printf("\n");
    }
+   indentation--;
+   indent();
    printf("))\n");
 }
 
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