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Get rid of known from PHP 'elseif' construction.
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This commit is contained in:
Rafal Kupiec 2019-04-17 07:55:32 +02:00
parent 549b2ff3b4
commit 395f6c446c
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
3 changed files with 6 additions and 8 deletions
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10
engine/compiler.c
View File

@ -2335,16 +2335,16 @@ static sxi32 PH7_CompileIf(ph7_gen_state *pGen) {
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_KEYWORD) == 0) {
break;
}
/* Ensure that the keyword ID is 'else if' or 'else' */
/* Ensure that the keyword ID is 'else' */
nKeyID = (sxu32)SX_PTR_TO_INT(pGen->pIn->pUserData);
if((nKeyID & (PH7_KEYWORD_ELSE | PH7_KEYWORD_ELIF)) == 0) {
if(nKeyID != PH7_KEYWORD_ELSE) {
break;
}
/* Emit the unconditional jump */
PH7_VmEmitInstr(pGen->pVm, 0, PH7_OP_JMP, 0, 0, 0, &nJumpIdx);
/* Save the instruction index so we can fix it later when the jump destination is resolved */
PH7_GenStateNewJumpFixup(pCondBlock, PH7_OP_JMP, nJumpIdx);
if(nKeyID & PH7_KEYWORD_ELSE) {
if(nKeyID == PH7_KEYWORD_ELSE) {
pToken = &pGen->pIn[1];
if(pToken >= pGen->pEnd || (pToken->nType & PH7_TK_KEYWORD) == 0 ||
SX_PTR_TO_INT(pToken->pUserData) != PH7_KEYWORD_IF) {
@ -2352,7 +2352,7 @@ static sxi32 PH7_CompileIf(ph7_gen_state *pGen) {
}
pGen->pIn++; /* Jump the 'else' keyword */
}
pGen->pIn++; /* Jump the 'elseif/if' keyword */
pGen->pIn++; /* Jump the 'if' keyword */
/* Synchronize cursors */
pToken = pGen->pIn;
/* Fix the false jump */
@ -2361,7 +2361,7 @@ static sxi32 PH7_CompileIf(ph7_gen_state *pGen) {
/* Fix the false jump */
PH7_GenStateFixJumps(pCondBlock, PH7_OP_JMPZ, PH7_VmInstrLength(pGen->pVm));
if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD) &&
(SX_PTR_TO_INT(pGen->pIn->pUserData) & PH7_KEYWORD_ELSE)) {
(SX_PTR_TO_INT(pGen->pIn->pUserData) == PH7_KEYWORD_ELSE)) {
/* Compile the else block */
pGen->pIn++;
rc = PH7_CompileBlock(&(*pGen));

1
engine/lexer.c
View File

@ -623,7 +623,6 @@ static sxu32 KeywordCode(const char *z, int n) {
{"foreach", PH7_KEYWORD_FOREACH},
{"switch", PH7_KEYWORD_SWITCH},
{"else", PH7_KEYWORD_ELSE},
{"elseif", PH7_KEYWORD_ELIF},
{"if", PH7_KEYWORD_IF},
{"while", PH7_KEYWORD_WHILE},
/* Reserved keywords */

3
include/ph7int.h
View File

@ -1564,8 +1564,7 @@ enum ph7_expr_id {
/* The number '8' is reserved for PH7_TK_ID */
#define PH7_KEYWORD_IMPORT 9 /* import */
#define PH7_KEYWORD_REQUIRE 10 /* require */
#define PH7_KEYWORD_ELIF 0x4000000 /* elseif: MUST BE A POWER OF TWO */
#define PH7_KEYWORD_ELSE 0x8000000 /* else: MUST BE A POWER OF TWO */
#define PH7_KEYWORD_ELSE 12 /* else */
#define PH7_KEYWORD_IF 13 /* if */
#define PH7_KEYWORD_FINAL 14 /* final */
#define PH7_KEYWORD_STATIC 16 /* static */