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Make expr->next edges constrained.

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It turns out expression trees are (mostly?) valid DAGs, so all edges being
constrained works, though the graphs get a little tall (but easier to read).
This commit is contained in:
Bill Currie 2012-12-24 20:06:38 +09:00
parent 79519bc357
commit 0fc8aa54e1
1 changed files with 3 additions and 3 deletions
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6
tools/qfcc/source/dot_expr.c
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@ -205,7 +205,7 @@ print_label (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
if (e->next)
next = e->next;
if (next)
dasprintf (dstr, "%*se_%p -> e_%p [constraint=false,style=dashed];\n",
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
indent, "", e, next);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
e->e.label.name, e->line);
@ -219,7 +219,7 @@ print_labelref (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
if (e->next)
next = e->next;
if (next)
dasprintf (dstr, "%*se_%p -> e_%p [constraint=false,style=dashed];\n",
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
indent, "", e, e->next);
dasprintf (dstr, "%*se_%p [label=\"&%s\\n%d\"];\n", indent, "", e,
e->e.label.name, e->line);
@ -307,7 +307,7 @@ print_subexpr (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
if (e->next)
next = e->next;
if (next)
dasprintf (dstr, "%*se_%p -> e_%p [constraint=false,"
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,"
"style=dashed];\n", indent, "", e, next);
} else {
_print_expr (dstr, e->e.expr.e1, level, id, next);