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Replaced the queue of Token pointers with values.

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We were getting memory leaks (as told by the CRT detectors, which I also added), and there's really no reason (as long as we're careful) to use pointers there.
This commit is contained in:
Jesse Beder
2008-07-20 05:02:01 +00:00
parent 2eab1e025e
commit 09d7ab365f
25 changed files with 297 additions and 251 deletions
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53
src/map.cpp
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@@ -1,3 +1,4 @@
#include "crt.h"
#include "map.h"
#include "node.h"
#include "scanner.h"
@@ -41,9 +42,9 @@ namespace YAML
Clear();
// split based on start token
Token *pToken = pScanner->PeekNextToken();
Token& token = pScanner->PeekToken();
switch(pToken->type) {
switch(token.type) {
case TT_BLOCK_MAP_START: ParseBlock(pScanner, state); break;
case TT_FLOW_MAP_START: ParseFlow(pScanner, state); break;
}
@@ -52,18 +53,18 @@ namespace YAML
void Map::ParseBlock(Scanner *pScanner, const ParserState& state)
{
// eat start token
pScanner->EatNextToken();
pScanner->PopToken();
while(1) {
Token *pToken = pScanner->PeekNextToken();
if(!pToken)
if(pScanner->IsEmpty())
throw ParserException(-1, -1, ErrorMsg::END_OF_MAP);
if(pToken->type != TT_KEY && pToken->type != TT_BLOCK_END)
throw ParserException(pToken->line, pToken->column, ErrorMsg::END_OF_MAP);
Token token = pScanner->PeekToken();
if(token.type != TT_KEY && token.type != TT_BLOCK_END)
throw ParserException(token.line, token.column, ErrorMsg::END_OF_MAP);
pScanner->PopNextToken();
if(pToken->type == TT_BLOCK_END)
pScanner->PopToken();
if(token.type == TT_BLOCK_END)
break;
Node *pKey = new Node;
@@ -74,8 +75,8 @@ namespace YAML
pKey->Parse(pScanner, state);
// now grab value (optional)
if(pScanner->PeekNextToken() && pScanner->PeekNextToken()->type == TT_VALUE) {
pScanner->PopNextToken();
if(!pScanner->IsEmpty() && pScanner->PeekToken().type == TT_VALUE) {
pScanner->PopToken();
pValue->Parse(pScanner, state);
}
@@ -91,24 +92,24 @@ namespace YAML
void Map::ParseFlow(Scanner *pScanner, const ParserState& state)
{
// eat start token
pScanner->EatNextToken();
pScanner->PopToken();
while(1) {
Token *pToken = pScanner->PeekNextToken();
if(!pToken)
if(pScanner->IsEmpty())
throw ParserException(-1, -1, ErrorMsg::END_OF_MAP_FLOW);
Token& token = pScanner->PeekToken();
// first check for end
if(pToken->type == TT_FLOW_MAP_END) {
pScanner->EatNextToken();
if(token.type == TT_FLOW_MAP_END) {
pScanner->PopToken();
break;
}
// now it better be a key
if(pToken->type != TT_KEY)
throw ParserException(pToken->line, pToken->column, ErrorMsg::END_OF_MAP_FLOW);
if(token.type != TT_KEY)
throw ParserException(token.line, token.column, ErrorMsg::END_OF_MAP_FLOW);
pScanner->PopNextToken();
pScanner->PopToken();
Node *pKey = new Node;
Node *pValue = new Node;
@@ -118,17 +119,17 @@ namespace YAML
pKey->Parse(pScanner, state);
// now grab value (optional)
if(pScanner->PeekNextToken() && pScanner->PeekNextToken()->type == TT_VALUE) {
pScanner->PopNextToken();
if(!pScanner->IsEmpty() && pScanner->PeekToken().type == TT_VALUE) {
pScanner->PopToken();
pValue->Parse(pScanner, state);
}
// now eat the separator (or could be a map end, which we ignore - but if it's neither, then it's a bad node)
pToken = pScanner->PeekNextToken();
if(pToken->type == TT_FLOW_ENTRY)
pScanner->EatNextToken();
else if(pToken->type != TT_FLOW_MAP_END)
throw ParserException(pToken->line, pToken->column, ErrorMsg::END_OF_MAP_FLOW);
Token& nextToken = pScanner->PeekToken();
if(nextToken.type == TT_FLOW_ENTRY)
pScanner->PopToken();
else if(nextToken.type != TT_FLOW_MAP_END)
throw ParserException(nextToken.line, nextToken.column, ErrorMsg::END_OF_MAP_FLOW);
m_data[pKey] = pValue;
} catch(Exception& e) {