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disable escape sequences for #line and #error

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This commit is contained in:
Jeff Bolz 2020-03-09 21:09:18 -05:00
parent f333272eb5
commit 13444545a9
5 changed files with 10 additions and 4 deletions
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4
Test/baseResults/hlsl.pp.line4.frag.out
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@ -9,8 +9,8 @@ hlsl.pp.line4.frag
EntryPoint Fragment 5 "MainPs" 70 74
ExecutionMode 5 OriginUpperLeft
1: String "hlsl.pp.line4.frag"
17: String "C:\Users\Greg\shaders\line\foo4.frag"
32: String "C:\Users\Greg\shaders\line\u1.h"
17: String "C:\\Users\\Greg\\shaders\\line\\foo4.frag"
32: String "C:\\Users\\Greg\\shaders\\line\\u1.h"
Source HLSL 500 1 "// OpModuleProcessed auto-map-locations
// OpModuleProcessed auto-map-bindings
// OpModuleProcessed entry-point MainPs

4
glslang/MachineIndependent/preprocessor/Pp.cpp
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@ -722,7 +722,9 @@ int TPpContext::CPPline(TPpToken* ppToken)
const char* sourceName = nullptr; // Optional source file name.
bool lineErr = false;
bool fileErr = false;
disableEscapeSequences = true;
token = eval(token, MIN_PRECEDENCE, false, lineRes, lineErr, ppToken);
disableEscapeSequences = false;
if (! lineErr) {
lineToken = lineRes;
if (token == '\n')
@ -765,7 +767,9 @@ int TPpContext::CPPline(TPpToken* ppToken)
// Handle #error
int TPpContext::CPPerror(TPpToken* ppToken)
{
disableEscapeSequences = true;
int token = scanToken(ppToken);
disableEscapeSequences = false;
std::string message;
TSourceLoc loc = ppToken->loc;

3
glslang/MachineIndependent/preprocessor/PpContext.cpp Executable file → Normal file
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@ -87,7 +87,8 @@ namespace glslang {
TPpContext::TPpContext(TParseContextBase& pc, const std::string& rootFileName, TShader::Includer& inclr) :
preamble(0), strings(0), previous_token('\n'), parseContext(pc), includer(inclr), inComment(false),
rootFileName(rootFileName),
currentSourceFile(rootFileName)
currentSourceFile(rootFileName),
disableEscapeSequences(false)
{
ifdepth = 0;
for (elsetracker = 0; elsetracker < maxIfNesting; elsetracker++)

1
glslang/MachineIndependent/preprocessor/PpContext.h
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@ -695,6 +695,7 @@ protected:
std::string currentSourceFile;
std::istringstream strtodStream;
bool disableEscapeSequences;
};
} // end namespace glslang

2
glslang/MachineIndependent/preprocessor/PpScanner.cpp
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@ -1030,7 +1030,7 @@ int TPpContext::tStringInput::scan(TPpToken* ppToken)
ch = getch();
while (ch != '"' && ch != '\n' && ch != EndOfInput) {
if (len < MaxTokenLength) {
if (ch == '\\') {
if (ch == '\\' && !pp->disableEscapeSequences) {
int nextCh = getch();
switch (nextCh) {
case '\'': ch = 0x27; break;