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2230 lines (2002 loc) · 99.3 KB
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CompensationParser.h
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2230 lines (2002 loc) · 99.3 KB
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#ifndef __COMPENSATION_PARSER_H
#define __COMPENSATION_PARSER_H
#define VARIABLE_NUMBER 0
#define VARIABLE_STRING 1
#define MAX_PARAMS 0xF
#define MAX_BLOCKS 0x20
#define DATA_BLOCK 16
#define CODE_BLOCK 16
#define FUNC_BLOCK 16
typedef int (*PROTOCOL_MESSAGE_CB)(AnsiString& Sender, int MSG_ID, AnsiString& Target, AnsiString& Value, void *UserData);
#define PROPERTY_CODE \
SetProperty(Sender, OE, context, OE->left); \
if (err) { \
f->DestroyContext(context); \
return; \
}
#define PROPERTY_CODE_RESULT \
SetProperty(Sender, OE, context, OE->result); \
if (err) { \
f->DestroyContext(context); \
return; \
}
#include "AnsiString.h"
#include "Codes.h"
#include <stdlib.h>
#include <string.h>
typedef struct {
AnsiString value;
double nval;
char type;
void *CodeRef;
} DataElement;
typedef struct {
int result;
int op;
int left;
int right;
int rid;
AnsiString right_def;
AnsiString set_def;
AnsiString get_def;
short parameters[MAX_PARAMS];
} CodeElement;
class Function {
private:
DataElement **data;
int dataindex;
public:
CodeElement **code;
int codeindex;
AnsiString Name;
int RID;
short parameters[MAX_PARAMS];
Function() {
code = 0;
data = 0;
dataindex = 0;
codeindex = 0;
RID = -1;
parameters[0] = -1;
}
void EnsureIndex(int index) {
while (index >= dataindex) {
if (dataindex % DATA_BLOCK == 0)
data = (DataElement **)realloc(data, (dataindex + DATA_BLOCK) * sizeof(DataElement *));
if (data) {
DataElement *d = new DataElement;
d->type = VARIABLE_NUMBER;
d->nval = 0;
d->CodeRef = NULL;
data[dataindex++] = d;
}
}
}
void AddData(char *name, char *val) {
int index = 0;
if (name) {
while ((name[0]) && ((name[0] < '0') || (name[0] > '9')))
name++;
index = atoi(name);
} else
return;
while (index >= dataindex) {
if (dataindex % DATA_BLOCK == 0)
data = (DataElement **)realloc(data, (dataindex + DATA_BLOCK) * sizeof(DataElement *));
if (data) {
DataElement *d = new DataElement;
if ((index == dataindex) && ((val) && (val[0] == '"'))) {
AnsiString tmp(val);
StripString(&tmp, d->value);
d->type = VARIABLE_STRING;
} else {
if (index == dataindex)
d->nval = atof(val);
else
d->nval = 0;
d->type = VARIABLE_NUMBER;
}
data[dataindex++] = d;
}
}
}
void AddCode(CodeElement *c) {
if (codeindex % CODE_BLOCK == 0)
code = (CodeElement **)realloc(code, (codeindex + CODE_BLOCK) * sizeof(CodeElement *));
if (code)
code[codeindex++] = c;
}
DataElement *CreateContext() {
DataElement *ctx = NULL;
if (data) {
ctx = new DataElement[dataindex];
for (int i = 0; i < dataindex; i++) {
ctx[i].nval = data[i]->nval;
ctx[i].type = data[i]->type;
if (ctx[i].type == VARIABLE_STRING)
ctx[i].value = data[i]->value;
ctx[i].CodeRef = NULL;
}
}
return ctx;
}
void DestroyContext(DataElement *ctx) {
if (ctx)
delete[] ctx;
}
~Function() {
if (data) {
for (int i = 0; i < dataindex; i++)
delete data[i];
free(data);
}
if (code) {
for (int i = 0; i < codeindex; i++)
delete code[i];
free(code);
}
}
};
class CompensationParser {
private:
PROTOCOL_MESSAGE_CB send_message;
PROTOCOL_MESSAGE_CB wait_message;
void *UserData;
Function **FList;
int f_index;
DataElement return_value;
bool err;
void BuildVariable(Function *f, char *data, int& position, int len) {
AnsiString param;
AnsiString name;
char in_name = 1;
while (++position < len) {
char c = data[position];
switch (c) {
case '\r':
break;
case '\n':
position--;
if (!in_name)
f->AddData(name.c_str(), param.c_str());
return;
case ' ':
case '\t':
if ((in_name) && (param.c_str())) {
name = param;
param = "";
in_name = 0;
break;
}
default:
param += c;
break;
}
}
if (!in_name)
f->AddData(name.c_str(), param.c_str());
}
int VariableIndex(Function *f, char *name) {
int index = -1;
if (name) {
while ((name[0]) && ((name[0] < '0') || (name[0] > '9')))
name++;
index = atoi(name);
}
if (index >= 0)
f->EnsureIndex(index);
return index;
}
AnsiString EntryPoint(char *data, int& position, int len) {
char in_name = 1;
AnsiString res;
while (++position < len) {
char c = data[position];
switch (c) {
case '(':
case ')':
case '\r':
case ' ':
case '\t':
case ',':
case ';':
if (res.Length())
in_name = 0;
break;
case '\n':
position--;
return res;
break;
default:
if (in_name)
res += c;
}
}
return res;
}
void BuildStatement(Function *f, char *data, int& position, int len, int line) {
AnsiString params[MAX_BLOCKS];
int param_index = 0;
char not_out = 1;
short param_start = 0;
int param_pos = 0;
char has_params = 0;
while ((not_out) && (position < len)) {
char c = data[position++];
switch (c) {
case '(':
if (!has_params)
has_params = param_index + 1;
if (((param_index == 2) && (params[param_index].Length())) || ((param_index > 0) && (params[param_index - 1] != (char *)"=")) || ((param_index == 0) && (params[param_index].Length())))
param_start = param_index + 1;
case ')':
case '\r':
case ' ':
case '\t':
case ',':
case ';':
if (params[param_index].Length()) {
if (param_index < MAX_BLOCKS - 1)
param_index++;
}
break;
case '\n':
position--;
not_out = 0;
break;
case ']':
case '[':
if (params[param_index].Length()) {
param_index++;
position--;
break;
}
default:
params[param_index] += c;
break;
}
}
if (params[param_index].Length())
param_index++;
if ((param_index > 1) && (params[0] == (char *)"this"))
f->RID = params[1].ToInt();
else {
int start = 0;
CodeElement *c = new CodeElement;
c->result = -1;
c->op = -1;
c->left = -1;
c->right = -1;
c->parameters[0] = -1;
c->rid = -1;
if (params[0] == (char *)"if") {
c->op = KEY_OPTIMIZED_IF;
c->left = this->VariableIndex(f, params[1].c_str());
if (params[2] == (char *)"goto")
c->right = params[3].ToInt();
} else
if (params[0] == (char *)"goto") {
c->op = KEY_OPTIMIZED_GOTO;
c->right = params[1].ToInt();
} else
if (params[0] == (char *)"return") {
c->op = KEY_OPTIMIZED_RETURN;
if (params[1].Length())
c->right = this->VariableIndex(f, params[1].c_str());
} else
if (params[0] == (char *)"echo") {
c->op = KEY_OPTIMIZED_ECHO;
if (params[1].Length())
c->right = this->VariableIndex(f, params[1].c_str());
} else
if (params[0] == (char *)"try") {
c->op = KEY_OPTIMIZED_TRY_CATCH;
c->right = VariableIndex(f, params[1].c_str());
if (params[2] == (char *)"goto")
c->left = params[3].ToInt();
} else
if (params[0] == (char *)"throw") {
c->op = KEY_OPTIMIZED_THROW;
} else
if (params[0] == (char *)"endthrow") {
c->op = KEY_OPTIMIZED_END_CATCH;
} else
if (params[0] == (char *)"trap") {
c->op = KEY_OPTIMIZED_DEBUG_TRAP;
} else {
if ((param_index > 2) && (params[1] == (char *)"=")) {
c->result = VariableIndex(f, params[0].c_str());
start = 2;
}
for (int i = start; i < param_index; i++) {
if (params[i] == (char *)"->") {
c->set_def = params[++i];
} else
if (params[i] == (char *)"<-") {
c->get_def = params[++i];
} else
if (params[i] == (char *)"this") {
if (i == start)
c->left = 0;
} else
if (params[i][0] == '#') {
AnsiString temp(params[i].c_str() + 1);
c->rid = temp.ToInt();
} else
if ((param_start) && (i >= param_start)) {
int index = 0;
if (params[i] != (char *)"this")
index = VariableIndex(f, params[i]);
if (param_pos < MAX_PARAMS)
c->parameters[param_pos++] = index;
} else {
if (params[i] == (char *)"del")
params[i] = "delete";
int type = GetType(params[i]);
if (type == TYPE_OPERATOR) {
c->op = GetID(params[i]);
} else
if (((i == param_start) && (i != start)) || (c->op == KEY_SEL) || (c->op == KEY_DLL_CALL) || (c->op == KEY_NEW) || (params[i].Pos(".") > 0) || (params[i].Pos("::") > 0)) {
c->right_def = params[i];
} else {
if (i == start)
c->left = VariableIndex(f, params[i]);
else
c->right = VariableIndex(f, params[i]);
}
}
}
c->parameters[param_pos] = -1;
}
if ((c->op == -1) && (start == 2) && (param_index == 3) && (!has_params)) {
c->op = -2;
} else
if ((c->op == -1) && (has_params))
if (!c->right_def.Length()) {
c->right_def = params[has_params - 1];
}
f->AddCode(c);
}
}
Function *ParseFunction(char *data, int& position, int len) {
int line = 0;
Function *f = new Function();
char params = 0;
char statement_line = 0;
AnsiString param;
while (++position < len) {
char c = data[position];
if (!line) {
if ((c == '(') || (c == ')') || (c == ' ') || (c == '\t') || (c == '\r') || (c == ',')) {
if ((params) && (params < MAX_PARAMS)) {
// check if parameter is by type (discard the type)
if ((c == ' ') || (c == '\t'))
param = (char *)"";
else {
if (param.Length()) {
f->parameters[params - 1] = VariableIndex(f, param);
f->parameters[params] = -1;
params++;
}
}
param = (char *)"";
} else
params++;
} else {
if (params) {
param += c;
} else
f->Name += c;
if (c == '\n')
line++;
}
} else {
switch (c) {
case '$':
this->BuildVariable(f, data, position, len);
break;
case '\r':
break;
case '\n':
line++;
break;
case '@':
case '#':
position--;
return f;
default:
this->BuildStatement(f, data, position, len, statement_line++);
break;
}
}
}
return f;
}
Function *Find(AnsiString& fname) {
for (int i = 0; i < f_index; i++) {
Function *f = FList[i];
if ((f) && (f->Name == fname))
return f;
}
return NULL;
}
void SetProperty(int Sender, CodeElement *OE, DataElement *context, int element) {
if (element < 0)
return;
CodeElement *OE2 = (CodeElement *)context[element].CodeRef;
if ((!OE2) || (!OE2->set_def.Length()))
return;
Function *f2 = this->Find(OE2->set_def);
if (f2) {
short params[2];
params[0] = element;
params[1] = -1;
if (OE2->rid >= 0)
Sender = OE2->rid;
else
while ((OE2) && (OE2->left >= 0)) {
OE2 = (CodeElement *)context[OE2->left].CodeRef;
if (OE2) {
Sender = OE2->rid;
break;
}
}
this->Execute(f2, Sender, AnsiString(), params, context);
}
}
void Execute(Function *f, int Sender, AnsiString EventData, short *params = NULL, DataElement *caller_context = NULL) {
return_value.type = VARIABLE_NUMBER;
return_value.nval = 0;
DataElement *context = f->CreateContext();
int pidx = 0;
int p = f->parameters[pidx];
while (p >= 0) {
if ((params) && (caller_context)) {
int p2 = params[pidx];
if (p2 >= 0) {
context[p].type = caller_context[p2].type;
//context[p].CodeRef = caller_context[p2].CodeRef;
if (caller_context[p2].type == VARIABLE_STRING)
context[p].value = caller_context[p2].value;
else
context[p].nval = caller_context[p2].nval;
} else {
// incorrect number of parameters
err = true;
f->DestroyContext(context);
return;
}
} else {
if (pidx == 0) {
context[p].type = VARIABLE_STRING;
context[p].value = AnsiString((long)Sender);
} else
if (pidx == 1) {
context[p].type = VARIABLE_STRING;
context[p].value = EventData;
} else {
// to many parameters
err = true;
f->DestroyContext(context);
return;
}
}
p = f->parameters[++pidx];
}
if (context) {
int INSTRUCTION_POINTER = 0;
while ((INSTRUCTION_POINTER < f->codeindex) && (INSTRUCTION_POINTER >= 0)) {
CodeElement *OE = f->code[INSTRUCTION_POINTER++];
switch (OE->op) {
case KEY_OPTIMIZED_IF:
if (OE->left >= 0) {
if (context[OE->left].type == VARIABLE_NUMBER) {
if (!context[OE->left].nval)
INSTRUCTION_POINTER = OE->right;
} else
if (context[OE->left].type == VARIABLE_STRING) {
if (!context[OE->left].value.Length())
INSTRUCTION_POINTER = OE->right;
}
} else
INSTRUCTION_POINTER = OE->right;
break;
case KEY_OPTIMIZED_GOTO:
INSTRUCTION_POINTER = OE->right;
break;
case KEY_OPTIMIZED_RETURN:
if (OE->right >= 0) {
return_value.type = context[OE->right].type;
if (return_value.type == VARIABLE_STRING)
return_value.value = context[OE->right].value;
else
return_value.nval = context[OE->right].nval;
}
f->DestroyContext(context);
return;
case KEY_OPTIMIZED_ECHO:
if (OE->right >= 0) {
if (context[OE->right].type == VARIABLE_STRING)
fprintf(stderr, "echo: \"%s\"\n", context[OE->right].value.c_str());
else
fprintf(stderr, "echo: %f\n", context[OE->right].nval);
}
break;
case KEY_OPTIMIZED_THROW:
case KEY_OPTIMIZED_TRY_CATCH:
case KEY_OPTIMIZED_END_CATCH:
// not supported on client
err = true;
f->DestroyContext(context);
return;
case KEY_OPTIMIZED_DEBUG_TRAP:
// just ignore it
break;
// unary operators
case KEY_DELETE:
if (OE->right >= 0) {
context[OE->right].type = VARIABLE_NUMBER;
context[OE->right].nval = 0;
}
break;
case KEY_TYPE_OF:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_STRING;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].value = "numeric";
break;
case VARIABLE_STRING:
context[OE->result].value = "string";
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_LENGTH:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_STRING:
context[OE->result].nval = context[OE->right].value.Length();
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_VALUE:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].nval = context[OE->right].nval;
break;
case VARIABLE_STRING:
context[OE->result].nval = context[OE->right].value.ToFloat();
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_NOT:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].nval = context[OE->right].nval ? 0 : 1;
break;
case VARIABLE_STRING:
context[OE->result].nval = context[OE->right].value.Length() ? 0 : 1;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_COM:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].nval = ~(int)context[OE->right].nval;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_POZ:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].nval = context[OE->right].nval;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
}
break;
case KEY_NEG:
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
context[OE->result].nval = -context[OE->right].nval;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_INC:
if (OE->left >= 0) {
if (context[OE->left].type != VARIABLE_NUMBER) {
err = true;
f->DestroyContext(context);
return;
}
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
context[OE->result].nval = context[OE->left].nval;
PROPERTY_CODE_RESULT
}
context[OE->left].nval += 1;
} else
if (OE->right >= 0) {
if (context[OE->right].type != VARIABLE_NUMBER) {
err = true;
f->DestroyContext(context);
return;
}
context[OE->right].nval += 1;
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
context[OE->result].nval = context[OE->right].nval;
PROPERTY_CODE_RESULT
}
} else {
err = true;
f->DestroyContext(context);
return;
}
break;
case KEY_DEC:
if (OE->left >= 0) {
if (context[OE->left].type != VARIABLE_NUMBER) {
err = true;
f->DestroyContext(context);
return;
}
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
context[OE->result].nval = context[OE->left].nval;
PROPERTY_CODE_RESULT
}
context[OE->left].nval -= 1;
} else
if (OE->right >= 0) {
if (context[OE->right].type != VARIABLE_NUMBER) {
err = true;
f->DestroyContext(context);
return;
}
context[OE->right].nval -= 1;
if (OE->result >= 0) {
context[OE->result].type = VARIABLE_NUMBER;
context[OE->result].nval = context[OE->right].nval;
PROPERTY_CODE_RESULT
}
} else {
err = true;
f->DestroyContext(context);
return;
}
break;
// binary operators
// compare
case KEY_LES:
if (OE->result >= 0) {
if ((OE->right < 0) || (OE->left < 0)) {
err = true;
f->DestroyContext(context);
return;
}
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->left].type) {
case VARIABLE_NUMBER:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].nval < context[OE->right].nval)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].nval < context[OE->right].value.ToFloat())
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
case VARIABLE_STRING:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].value < AnsiString(context[OE->right].nval))
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].value < context[OE->right].value)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_LEQ:
if (OE->result >= 0) {
if ((OE->right < 0) || (OE->left < 0)) {
err = true;
f->DestroyContext(context);
return;
}
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->left].type) {
case VARIABLE_NUMBER:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].nval <= context[OE->right].nval)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].nval <= context[OE->right].value.ToFloat())
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
case VARIABLE_STRING:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].value <= AnsiString(context[OE->right].nval))
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].value <= context[OE->right].value)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_GRE:
if (OE->result >= 0) {
if ((OE->right < 0) || (OE->left < 0)) {
err = true;
f->DestroyContext(context);
return;
}
context[OE->result].type = VARIABLE_NUMBER;
switch (context[OE->left].type) {
case VARIABLE_NUMBER:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].nval > context[OE->right].nval)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].nval > context[OE->right].value.ToFloat())
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
case VARIABLE_STRING:
switch (context[OE->right].type) {
case VARIABLE_NUMBER:
if (context[OE->left].value > AnsiString(context[OE->right].nval))
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
case VARIABLE_STRING:
if (context[OE->left].value > context[OE->right].value)
context[OE->result].nval = 1;
else
context[OE->result].nval = 0;
break;
default:
err = true;
f->DestroyContext(context);
return;
}
break;
default:
err = true;
f->DestroyContext(context);
return;
}
PROPERTY_CODE_RESULT
}
break;
case KEY_GEQ:
if (OE->result >= 0) {
if ((OE->right < 0) || (OE->left < 0)) {
err = true;
f->DestroyContext(context);