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Rename LFB/LFE operators.
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This commit is contained in:
Rafal Kupiec
2019-10-25 23:09:30 +02:00
parent f323e3cb57
commit f3972a9ca2
3 changed files with 32 additions and 30 deletions
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42
engine/compiler.c
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@@ -1381,8 +1381,8 @@ static sxi32 PH7_CompileContinue(ph7_gen_state *pGen) {
} else {
sxu32 nInstrIdx = 0;
if(!pLoop->bPostContinue) {
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
}
PH7_VmEmitInstr(pGen->pVm, 0, PH7_OP_JMP, 0, pLoop->nFirstInstr, 0, &nInstrIdx);
if(pLoop->bPostContinue) {
@@ -1421,8 +1421,8 @@ static sxi32 PH7_CompileBreak(ph7_gen_state *pGen) {
PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "A 'break' statement may only be used within a loop or switch");
} else {
sxu32 nInstrIdx;
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
rc = PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMP, 0, 0, 0, &nInstrIdx);
if(rc == SXRET_OK) {
/* Fix the jump later when the jump destination is resolved */
@@ -1548,7 +1548,7 @@ static sxi32 PH7_CompileGoto(ph7_gen_state *pGen)
sJump.pFunc = 0;
}
/* Make sure there will not stay any loop frame opened (i.e. goto inside a loop) */
PH7_VmEmitInstr(pGen->pVm, sJump.nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
PH7_VmEmitInstr(pGen->pVm, sJump.nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
/* Emit the unconditional jump */
if(SXRET_OK == PH7_VmEmitInstr(pGen->pVm, sJump.nLine, PH7_OP_JMP, 0, 0, 0, &sJump.nInstrIdx)) {
SySetPut(&pGen->aGoto, (const void *)&sJump);
@@ -1700,15 +1700,15 @@ static sxi32 PH7_CompileWhile(ph7_gen_state *pGen) {
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPZ, 0, 0, 0, &nFalseJump);
/* Save the instruction index so we can fix it later when the jump destination is resolved */
PH7_GenStateNewJumpFixup(pWhileBlock, PH7_OP_JMPZ, nFalseJump);
/* Emit the OP_JMPLFB instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFB, 0, 0, 0, 0);
/* Emit the OP_LF_START instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_START, 0, 0, 0, 0);
/* Compile the loop body */
rc = PH7_CompileBlock(&(*pGen));
if(rc == SXERR_ABORT) {
return SXERR_ABORT;
}
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
/* Emit the unconditional jump to the start of the loop */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMP, 0, pWhileBlock->nFirstInstr, 0, 0);
/* Fix all jumps now the destination is resolved */
@@ -1755,8 +1755,8 @@ static sxi32 PH7_CompileDoWhile(ph7_gen_state *pGen) {
}
/* Deffer 'continue;' jumps until we compile the block */
pDoBlock->bPostContinue = TRUE;
/* Emit the OP_JMPLFB instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFB, 0, 0, 0, 0);
/* Emit the OP_LF_START instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_START, 0, 0, 0, 0);
rc = PH7_CompileBlock(&(*pGen));
if(rc == SXERR_ABORT) {
return SXERR_ABORT;
@@ -1814,8 +1814,8 @@ static sxi32 PH7_CompileDoWhile(ph7_gen_state *pGen) {
}
pGen->pIn = &pEnd[1];
pGen->pEnd = pTmp;
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
/* Emit the true jump to the beginning of the loop */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPNZ, 0, pDoBlock->nFirstInstr, 0, 0);
/* Fix all jumps now the destination is resolved */
@@ -1918,8 +1918,8 @@ static sxi32 PH7_CompileFor(ph7_gen_state *pGen) {
PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine,
"for: Expected ';' after conditionals expressions");
}
/* Emit the OP_JMPLFB instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFB, 0, 0, 0, 0);
/* Emit the OP_LF_START instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_START, 0, 0, 0, 0);
/* Jump the trailing ';' */
pGen->pIn++;
/* Save the post condition stream */
@@ -1968,8 +1968,8 @@ static sxi32 PH7_CompileFor(ph7_gen_state *pGen) {
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_POP, 1, 0, 0, 0);
}
}
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
/* Emit the unconditional jump to the start of the loop */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMP, 0, pForBlock->nFirstInstr, 0, 0);
/* Fix all jumps now the destination is resolved */
@@ -2158,8 +2158,8 @@ static sxi32 PH7_CompileForeach(ph7_gen_state *pGen) {
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_FOREACH_STEP, 0, 0, pInfo, &nFalseJump);
/* Save the instruction index so we can fix it later when the jump destination is resolved */
PH7_GenStateNewJumpFixup(pForeachBlock, PH7_OP_FOREACH_STEP, nFalseJump);
/* Emit the OP_JMPLFB instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFB, 0, 0, 0, 0);
/* Emit the OP_LF_START instruction to enter a loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_START, 0, 0, 0, 0);
/* Compile the loop body */
pGen->pIn = &pEnd[1];
pGen->pEnd = pTmp;
@@ -2168,8 +2168,8 @@ static sxi32 PH7_CompileForeach(ph7_gen_state *pGen) {
/* Don't worry about freeing memory, everything will be released shortly */
return SXERR_ABORT;
}
/* Emit the OP_JMPLFE instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMPLFE, 0, 0, 0, 0);
/* Emit the OP_LF_STOP instruction to leave the loop frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_LF_STOP, 0, 0, 0, 0);
/* Emit the unconditional jump to the start of the loop */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_JMP, 0, pForeachBlock->nFirstInstr, 0, 0);
/* Fix all jumps now the destination is resolved */