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Added AstNode::simplify() recursion counter

This commit is contained in:
Clifford Wolf 2015-02-13 12:33:12 +01:00
parent 2f0edff019
commit cd919abdf1
1 changed files with 10 additions and 2 deletions
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12
frontends/ast/simplify.cc
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@ -49,12 +49,16 @@ using namespace AST_INTERNAL;
// nodes that link to a different node using names and lexical scoping.
bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, int width_hint, bool sign_hint, bool in_param)
{
static int recursion_counter = 0;
static pair<string, int> last_blocking_assignment_warn;
recursion_counter++;
AstNode *newNode = NULL;
bool did_something = false;
static pair<string, int> last_blocking_assignment_warn;
#if 0
log("-------------\n");
log("AST simplify[%d] depth %d at %s:%d,\n", stage, recursion_counter, filename.c_str(), linenum);
log("const_fold=%d, at_zero=%d, in_lvalue=%d, stage=%d, width_hint=%d, sign_hint=%d, in_param=%d\n",
int(const_fold), int(at_zero), int(in_lvalue), int(stage), int(width_hint), int(sign_hint), int(in_param));
dumpAst(NULL, "> ");
@ -145,6 +149,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
}
while (simplify(const_fold, at_zero, in_lvalue, 2, width_hint, sign_hint, in_param)) { }
recursion_counter--;
return false;
}
@ -153,8 +158,10 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
// we do not look inside a task or function
// (but as soon as a task of function is instanciated we process the generated AST as usual)
if (type == AST_FUNCTION || type == AST_TASK)
if (type == AST_FUNCTION || type == AST_TASK) {
recursion_counter--;
return false;
}
// deactivate all calls to non-synthesis system taks
if ((type == AST_FCALL || type == AST_TCALL) && (str == "$display" || str == "$strobe" || str == "$monitor" || str == "$time" || str == "$stop" || str == "$finish" ||
@ -2036,6 +2043,7 @@ apply_newNode:
if (!did_something)
basic_prep = true;
recursion_counter--;
return did_something;
}