From 4cf20cd37c12c6243a09d52739d3d47f030a1799 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Mon, 5 Apr 2010 17:13:47 -0700 Subject: Process ast_jump_statement into ir_loop_jump Specifically, handle 'break' and 'continue' inside loops. This causes the following tests to pass: glslparsertest/shaders/break.frag glslparsertest/shaders/continue.frag --- ast_to_hir.cpp | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'ast_to_hir.cpp') diff --git a/ast_to_hir.cpp b/ast_to_hir.cpp index 444cb7d54e..ae5a8d51f7 100644 --- a/ast_to_hir.cpp +++ b/ast_to_hir.cpp @@ -2021,6 +2021,32 @@ ast_jump_statement::hir(exec_list *instructions, case ast_break: case ast_continue: + /* FINISHME: Handle switch-statements. They cannot contain 'continue', + * FINISHME: and they use a different IR instruction for 'break'. + */ + /* FINISHME: Correctly handle the nesting. If a switch-statement is + * FINISHME: inside a loop, a 'continue' is valid and will bind to the + * FINISHME: loop. + */ + if (state->loop_or_switch_nesting == NULL) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`%s' may only appear in a loop", + (mode == ast_break) ? "break" : "continue"); + } else { + ir_loop *const loop = state->loop_or_switch_nesting->as_loop(); + + if (loop != NULL) { + ir_loop_jump *const jump = + new ir_loop_jump(loop, + (mode == ast_break) + ? ir_loop_jump::jump_break + : ir_loop_jump::jump_continue); + instructions->push_tail(jump); + } + } + break; } -- cgit v1.2.3