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Internals: Add success parameter to parseDouble. No functional change intended.

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Signed-off-by: Wilson Snyder <wsnyder@wsnyder.org>
This commit is contained in:
Stefan Wallentowitz 2016-03-23 07:48:32 -04:00 committed by Wilson Snyder
parent 9ae40d64f0
commit b2623b9841
2 changed files with 7 additions and 3 deletions
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2
src/V3ParseImp.h
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@ -140,7 +140,7 @@ public:
void verilatorCmtLintSave();
void verilatorCmtLintRestore();
void verilatorCmtBad(const char* text);
double parseDouble(const char* text, size_t length);
static double parseDouble(const char* text, size_t length, bool* successp = NULL);
void pushBeginKeywords(int state) { m_inBeginKwd++; m_lastVerilogState=state; }
bool popBeginKeywords() { if (m_inBeginKwd) { m_inBeginKwd--; return true; } else return false; }
int lastVerilogState() const { return m_lastVerilogState; }

8
src/verilog.l
View File

@ -975,9 +975,10 @@ vnum {vnum1}|{vnum2}|{vnum3}|{vnum4}|{vnum5}
%%
int V3ParseImp::stateVerilogRecent() { return STATE_VERILOG_RECENT; }
double V3ParseImp::parseDouble(const char* textp, size_t length) {
double V3ParseImp::parseDouble(const char* textp, size_t length, bool* successp) {
char* strgp = new char[length+1];
char* dp=strgp;
if (successp) *successp = true;
for (const char* sp=textp; sp<(textp+length); ++sp) {
if (*sp != '_') *dp++ = *sp;
}
@ -985,7 +986,10 @@ double V3ParseImp::parseDouble(const char* textp, size_t length) {
char* endp = strgp;
double d = strtod(strgp, &endp);
size_t parsed_len = endp-strgp;
if (parsed_len != strlen(strgp)) { yyerrorf("Syntax error parsing real: %s",strgp); }
if (parsed_len != strlen(strgp)) {
if (successp) *successp = false;
else yyerrorf("Syntax error parsing real: %s",strgp);
}
delete[] strgp;
return d;
}