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Fix #5: Included files content is unavailable during compilation #21

Manually merged
belliash merged 20 commits from include_fix into master 2018-08-01 16:18:03 +02:00
Conversation 0 Commits 20 Files Changed 7 +91 -70
4 changed files with 91 additions and 70 deletions
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Showing only changes of commit b040886b97 - Show all commits

114
engine/compiler.c
View File

@ -4226,6 +4226,8 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
SyString *pName;
sxi32 nKwrd;
sxi32 rc;
sxi32 iP1 = 0;
sxu32 iP2 = 0;
/* Jump the 'class' keyword */
pGen->pIn++;
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
@ -4256,50 +4258,42 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
/* Assume a standalone class */
pBase = 0;
if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD)) {
SyString *pBaseName;
SyString pBaseName;
nKwrd = SX_PTR_TO_INT(pGen->pIn->pUserData);
if(nKwrd == PH7_TKWRD_EXTENDS /* class b extends a */) {
pGen->pIn++; /* Advance the stream cursor */
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
/* Syntax error */
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
"Expected 'class_name' after 'extends' keyword inside class '%z'",
pName);
SyMemBackendPoolFree(&pGen->pVm->sAllocator, pClass);
if(rc == SXERR_ABORT) {
/* Error count limit reached,abort immediately */
return SXERR_ABORT;
for(;;) {
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
/* Syntax error */
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
"Expected 'class_name' after 'extends' keyword inside class '%z'",
pName);
SyMemBackendPoolFree(&pGen->pVm->sAllocator, pClass);
if(rc == SXERR_ABORT) {
/* Error count limit reached,abort immediately */
return SXERR_ABORT;
}
return SXRET_OK;
}
return SXRET_OK;
/* Extract base class name */
char *pName = malloc(pGen->pIn->sData.nByte);
SyStrncpy(pName, pGen->pIn->sData.zString, pGen->pIn->sData.nByte);
SyStringInitFromBuf(&pBaseName, pName, SyStrlen(pName));
/* Register inherited class */
SySetPut(&pClass->sExtends, (const void *)&pBaseName);
/* Advance the stream cursor */
pGen->pIn++;
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_COMMA) == 0) {
break;
}
/* Jump the comma operator */
pGen->pIn++;
}
/* Extract base class name */
pBaseName = &pGen->pIn->sData;
// /* Perform the query */
// pBase = PH7_VmExtractClass(pGen->pVm, pBaseName->zString, pBaseName->nByte, FALSE, 0);
// /* Interface is not allowed */
// if(pBase == 0 || (pBase->iFlags & PH7_CLASS_INTERFACE)) {
// /* Inexistant base class */
// rc = PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "Inexistant base class '%z'", pBaseName);
// if(rc == SXERR_ABORT) {
// /* Error count limit reached,abort immediately */
// return SXERR_ABORT;
// }
// } else {
// if(pBase->iFlags & PH7_CLASS_FINAL) {
// rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
// "Class '%z' may not inherit from final class '%z'", pName, &pBase->sName);
// if(rc == SXERR_ABORT) {
// /* Error count limit reached,abort immediately */
// return SXERR_ABORT;
// }
// }
// }
/* Advance the stream cursor */
pGen->pIn++;
iP1 = 1;
}
if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD) && SX_PTR_TO_INT(pGen->pIn->pUserData) == PH7_TKWRD_IMPLEMENTS) {
ph7_class *pInterface;
SyString *pIntName;
SyString pIntName;
/* Interface implementation */
pGen->pIn++; /* Advance the stream cursor */
for(;;) {
@ -4308,35 +4302,28 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
"Expected 'interface_name' after 'implements' keyword inside class '%z' declaration",
pName);
SyMemBackendPoolFree(&pGen->pVm->sAllocator, pClass);
if(rc == SXERR_ABORT) {
/* Error count limit reached,abort immediately */
return SXERR_ABORT;
}
break;
return SXRET_OK;
}
/* Extract interface name */
pIntName = &pGen->pIn->sData;
/* Make sure the interface is already defined */
pInterface = PH7_VmExtractClass(pGen->pVm, pIntName->zString, pIntName->nByte, FALSE, 0);
/* Only interfaces are allowed */
if(pInterface == 0 || (pInterface->iFlags & PH7_CLASS_INTERFACE) == 0) {
/* Inexistant interface */
rc = PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "Inexistant base interface '%z'", pIntName);
if(rc == SXERR_ABORT) {
/* Error count limit reached,abort immediately */
return SXERR_ABORT;
}
} else {
/* Register interface */
SySetPut(&aInterfaces, (const void *)&pInterface);
}
char *pName = malloc(pGen->pIn->sData.nByte);
SyStrncpy(pName, pGen->pIn->sData.zString, pGen->pIn->sData.nByte);
SyStringInitFromBuf(&pIntName, pName, SyStrlen(pName));
/* Register inherited class */
SySetPut(&pClass->sImplements, (const void *)&pIntName);
/* Advance the stream cursor */
pGen->pIn++;
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_COMMA) == 0) {
break;
}
pGen->pIn++;/* Jump the comma */
/* Jump the comma */
pGen->pIn++;
}
iP2 = 1;
}
}
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_OCB /*'{'*/) == 0) {
@ -4576,23 +4563,10 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
}
/* Install the class */
rc = PH7_VmInstallClass(pGen->pVm, pClass);
// if(rc == SXRET_OK) {
// ph7_class **apInterface;
// sxu32 n;
// if(pBase) {
// /* Inherit from base class and mark as a subclass */
// rc = PH7_ClassInherit(&(*pGen), pClass, pBase);
// }
// apInterface = (ph7_class **)SySetBasePtr(&aInterfaces);
// for(n = 0 ; n < SySetUsed(&aInterfaces) ; n++) {
// /* Implements one or more interface */
// rc = PH7_ClassImplement(pClass, apInterface[n]);
// if(rc != SXRET_OK) {
// break;
// }
// }
// }
SySetRelease(&aInterfaces);
if(iP1 || iP2) {
/* Emit the CLASS_INIT instruction only if there is such a need */
PH7_VmEmitInstr(pGen->pVm, PH7_OP_CLASS_INIT, iP1, iP2, pClass, 0);
}
if(rc != SXRET_OK) {
PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
return SXERR_ABORT;

2
engine/oop.c
View File

@ -41,6 +41,8 @@ PH7_PRIVATE ph7_class *PH7_NewRawClass(ph7_vm *pVm, const SyString *pName, sxu32
SyHashInit(&pClass->hAttr, &pVm->sAllocator, 0, 0);
SyHashInit(&pClass->hDerived, &pVm->sAllocator, 0, 0);
SySetInit(&pClass->aInterface, &pVm->sAllocator, sizeof(ph7_class *));
SySetInit(&pClass->sExtends, &pVm->sAllocator, sizeof(SyString));
SySetInit(&pClass->sImplements, &pVm->sAllocator, sizeof(SyString));
pClass->nLine = nLine;
/* All done */
return pClass;

41
engine/vm.c
View File

@ -4508,6 +4508,41 @@ static sxi32 VmByteCodeExec(
pc = nJump - 1;
break;
}
/*
* OP_CLASS_INIT P1 P2 P3
* Perform additional class initialization, by adding base classes
* and interfaces to its definition.
*/
case PH7_OP_CLASS_INIT:
{
ph7_class *pClass = (ph7_class *)pInstr->p3;
printf("Called by class: '%s'\n", pClass->sName);
if(pInstr->iP1) {
/* This class inherits from other classes */
SyString *apExtends;
while(SySetGetNextEntry(&pClass->sExtends, (void **)&apExtends) == SXRET_OK) {
printf("Class '%s' inherits from '%s'\n", pClass->sName.zString, apExtends->zString);
}
}
if(pInstr->iP2) {
/* This class implements some interfaces */
SyString *apImplements;
while(SySetGetNextEntry(&pClass->sImplements, (void **)&apImplements) == SXRET_OK) {
printf("Class '%s' implements '%s'\n", pClass->sName.zString, apImplements->zString);
}
}
SyStringInitFromBuf(&pClass->sName, "DUPA", 4);
break;
}
/*
* OP_INTERFACE_INIT * * P3
* Perform additional interface initialization, by adding base interfaces
* to its definition.
*/
case PH7_OP_INTERFACE_INIT:
{
break;
}
/*
* OP_FOREACH_INIT * P2 P3
* Prepare a foreach step.
@ -6025,6 +6060,12 @@ static const char *VmInstrToString(sxi32 nOp) {
case PH7_OP_THROW:
zOp = "THROW ";
break;
case PH7_OP_CLASS_INIT:
zOp = "CLASS_INIT ";
break;
case PH7_OP_INTERFACE_INIT:
zOp = "INTER_INIT ";
break;
case PH7_OP_FOREACH_INIT:
zOp = "4EACH_INIT ";
break;

4
include/ph7int.h
View File

@ -1035,6 +1035,8 @@ struct ph7_class {
SyHash hMethod; /* Class methods */
sxu32 nLine; /* Line number on which this class was declared */
SySet aInterface; /* Implemented interface container */
SySet sExtends; /* List of inherited classes / interfaces */
SySet sImplements; /* List of implemented interfaces */
};
/* Class configuration flags */
#define PH7_CLASS_FINAL 0x001 /* Class is final [cannot be extended] */
@ -1360,6 +1362,8 @@ enum ph7_vm_op {
PH7_OP_CVT_NULL, /* NULL cast */
PH7_OP_CVT_ARRAY, /* Array cast */
PH7_OP_CVT_OBJ, /* Object cast */
PH7_OP_CLASS_INIT, /* Class init */
PH7_OP_INTERFACE_INIT,/* Interface init */
PH7_OP_FOREACH_INIT, /* For each init */
PH7_OP_FOREACH_STEP, /* For each step */
PH7_OP_IS_A, /* Instanceof */