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Add support for "switch" statements.

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Switches with both uniform and varying "switch" expressions are
supported.  Switch statements with varying expressions and very
large numbers of labels may not perform well; some issues to be
filed shortly will track opportunities for improving these.
This commit is contained in:
Matt Pharr
2012-01-11 09:15:05 -08:00
parent 9670ab0887
commit b67446d998
26 changed files with 1402 additions and 92 deletions
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11
ast.cpp
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@@ -90,6 +90,9 @@ WalkAST(ASTNode *node, ASTPreCallBackFunc preFunc, ASTPostCallBackFunc postFunc,
DoStmt *dos;
ForStmt *fs;
ForeachStmt *fes;
CaseStmt *cs;
DefaultStmt *defs;
SwitchStmt *ss;
ReturnStmt *rs;
LabeledStmt *ls;
StmtList *sl;
@@ -131,6 +134,14 @@ WalkAST(ASTNode *node, ASTPreCallBackFunc preFunc, ASTPostCallBackFunc postFunc,
postFunc, data);
fes->stmts = (Stmt *)WalkAST(fes->stmts, preFunc, postFunc, data);
}
else if ((cs = dynamic_cast<CaseStmt *>(node)) != NULL)
cs->stmts = (Stmt *)WalkAST(cs->stmts, preFunc, postFunc, data);
else if ((defs = dynamic_cast<DefaultStmt *>(node)) != NULL)
defs->stmts = (Stmt *)WalkAST(defs->stmts, preFunc, postFunc, data);
else if ((ss = dynamic_cast<SwitchStmt *>(node)) != NULL) {
ss->expr = (Expr *)WalkAST(ss->expr, preFunc, postFunc, data);
ss->stmts = (Stmt *)WalkAST(ss->stmts, preFunc, postFunc, data);
}
else if (dynamic_cast<BreakStmt *>(node) != NULL ||
dynamic_cast<ContinueStmt *>(node) != NULL ||
dynamic_cast<GotoStmt *>(node) != NULL) {