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Replicates all needed state between expanded functions

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commit 5e6f06cf59
Author: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date:   Thu May 11 15:42:11 2017 -0400

    Fixed issue with aliasing local variables

    ISPC++ now produces valid code, or an appropriate error message, for all
    of my test cases.

commit bfe723e1b7
Author: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date:   Thu May 11 03:09:38 2017 -0400

    Actually copy the AST.

    Type replacement works except for function parameters.

commit f65b3e6300
Author: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date:   Thu May 11 01:19:50 2017 -0400

    [WIP] Remove cases for ForeachStmt and SymbolExpr

commit 2e28640860
Merge: 6a91c5d d020107
Author: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date:   Wed May 10 23:13:40 2017 -0400

    Merge branch 'master' into copy_ast

commit 6a91c5d5ac
Author: Aaron Gutierrez <gutierrez.aaron.m@gmail.com>
Date:   Wed May 10 11:11:39 2017 -0400

    Attempt to replicate AST when expanding polytypes
This commit is contained in:
Aaron Gutierrez
2017-05-11 15:43:29 -04:00
parent d020107d91
commit a47cab4dfa
15 changed files with 431 additions and 157 deletions
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12
sym.cpp
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@@ -95,14 +95,14 @@ SymbolTable::PopScope() {
bool
SymbolTable::AddVariable(Symbol *symbol) {
SymbolTable::AddVariable(Symbol *symbol, bool issueScopeWarning) {
Assert(symbol != NULL);
// Check to see if a symbol of the same name has already been declared.
for (int i = (int)variables.size() - 1; i >= 0; --i) {
SymbolMapType &sm = *(variables[i]);
if (sm.find(symbol->name) != sm.end()) {
if (i == (int)variables.size()-1) {
if (i == (int)variables.size()-1 && issueScopeWarning) {
// If a symbol of the same name was declared in the
// same scope, it's an error.
Error(symbol->pos, "Ignoring redeclaration of symbol \"%s\".",
@@ -112,9 +112,11 @@ SymbolTable::AddVariable(Symbol *symbol) {
else {
// Otherwise it's just shadowing something else, which
// is legal but dangerous..
Warning(symbol->pos,
"Symbol \"%s\" shadows symbol declared in outer scope.",
symbol->name.c_str());
if (issueScopeWarning) {
Warning(symbol->pos,
"Symbol \"%s\" shadows symbol declared in outer scope.",
symbol->name.c_str());
}
(*variables.back())[symbol->name] = symbol;
return true;
}