chibicitiberiu/rainmeter-studio
1
0
Fork 0
mirror of https://github.com/chibicitiberiu/rainmeter-studio.git synced 2024-02-24 04:33:31 +00:00
Code Issues Releases Wiki Activity

Calc/MathParser: Conditional limit increased to 30.

Browse Source
This commit is contained in:
Birunthan Mohanathas 2012-01-23 12:33:17 +00:00
parent e99403ce1e
commit 017c2e9ad9
2 changed files with 22 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
Library/MathParser.cpp
View File

@ -22,7 +22,7 @@
#include "MeasureCalc.h"
#include "MathParser.h"
static const int MAX_STACK_SIZE = 32;
static const int MAX_STACK_SIZE = 96;
static const double M_E = 2.7182818284590452354;
static const double M_PI = 3.14159265358979323846;
@ -84,9 +84,9 @@ enum MathTokenType
struct Operation
{
void* proc;
BYTE prevTop;
OperationType type;
BYTE type;
BYTE funcIndex;
char prevTop;
};
struct Function
@ -131,8 +131,8 @@ static const int FUNC_ROUND = 13;
static const int FUNC_E = 18;
static const int FUNC_PI = 19;
static const Operation g_BrOp = { NULL, 0, OP_OBR };
static const Operation g_NegOp = { (void*)&neg, 0, OP_FUNC_ONEARG };
static const Operation g_BrOp = { OP_OBR, 0, 0};
static const Operation g_NegOp = { OP_FUNC_ONEARG, 17, 0 };
static const BYTE g_OpPriorities[OP_FUNC_MULTIARG + 1] =
{
@ -167,15 +167,15 @@ static const BYTE g_OpPriorities[OP_FUNC_MULTIARG + 1] =
};
static CharType GetCharType(WCHAR ch);
static int GetFunction(const WCHAR* str, size_t len, void** data);
static int GetFunction(const WCHAR* str, size_t len);
static int FindSymbol(const WCHAR* str);
struct Parser
{
Operation opStack[MAX_STACK_SIZE];
double valStack[MAX_STACK_SIZE];
int opTop;
int valTop;
char opTop;
char valTop;
int obrDist;
Parser() : opTop(0), valTop(-1), obrDist(2) { opStack[0].type = OP_OBR; }
@ -365,12 +365,10 @@ WCHAR* MathParser::Parse(const WCHAR* formula, CMeasureCalc* calc, double* resul
case TOK_NAME:
{
Operation op;
int funcnum, namelen = lexer.nameLen;
if (lexer.nameLen <= FUNC_MAX_LEN &&
((funcnum = GetFunction(lexer.name, lexer.nameLen, (void**)&op.proc)) >= 0))
((op.funcIndex = GetFunction(lexer.name, lexer.nameLen)) >= 0))
{
switch (funcnum)
switch (op.funcIndex)
{
case FUNC_E:
parser.valStack[++parser.valTop] = M_E;
@ -427,7 +425,7 @@ static WCHAR* Calc(Parser& parser)
int paramcnt = parser.valTop - op.prevTop;
parser.valTop = op.prevTop;
WCHAR* error = (*(MultiArgProc)op.proc)(paramcnt, &parser.valStack[parser.valTop + 1], &res);
WCHAR* error = (*(MultiArgProc)g_Functions[op.funcIndex].proc)(paramcnt, &parser.valStack[parser.valTop + 1], &res);
if (error) return error;
parser.valStack[++parser.valTop] = res;
@ -459,7 +457,7 @@ static WCHAR* Calc(Parser& parser)
}
else if (op.type == OP_FUNC_ONEARG)
{
res = (*(OneArgProc)op.proc)(right);
res = (*(OneArgProc)g_Functions[op.funcIndex].proc)(right);
}
else
{
@ -785,7 +783,7 @@ bool MathParser::IsDelimiter(WCHAR ch)
return type == CH_SYMBOL || type == CH_SEPARAT;
}
int GetFunction(const WCHAR* str, size_t len, void** data)
int GetFunction(const WCHAR* str, size_t len)
{
const int funcCount = sizeof(g_Functions) / sizeof(Function);
for (int i = 0; i < funcCount; ++i)
@ -793,7 +791,6 @@ int GetFunction(const WCHAR* str, size_t len, void** data)
if (g_Functions[i].length == len &&
_wcsnicmp(str, g_Functions[i].name, len) == 0)
{
*data = g_Functions[i].proc;
return i;
}
}

27
Library/StdAfx.h
View File

@ -22,28 +22,23 @@
#define _WIN32_IE 0x0600
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
// WINAPI
#include <winsock2.h>
#define WIN32_LEAN_AND_MEAN
#include <ws2tcpip.h>
#include <windows.h>
#include <windowsx.h>
#include <ole2.h>
#include <gdiplus.h>
#include <dwmapi.h>
#include <comdef.h>
#include <Iphlpapi.h>
#include <commctrl.h>
#include <shellapi.h>
#include <Mmsystem.h>
#include <Shellapi.h>
#include <shlobj.h>
#include <shlwapi.h>
#include <Wininet.h>
#include <winperf.h>
#include <Windns.h>
#include <Ipexport.h>
#include <Powrprof.h>
// STL
#include <map>
@ -52,22 +47,16 @@
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <sstream>
#include <algorithm>
#include <ctime>
#include <cstdlib>
#include <algorithm>
#include <cstdio>
#include <cctype>
#include <cmath>
#include <cerrno>
#include <cassert>
// RUNTIME
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#include <io.h>
#include <stdarg.h>
#include <process.h>
#include <float.h>
#endif