Rename js::CodeGenerator to js::BytecodeEmitter. Bug 696876, part 1 of 3. r=dvander.

This commit is contained in:
Jason Orendorff
2011-10-27 09:15:40 -05:00
parent 8210acb4e7
commit fdc0a0d67d
27 changed files with 1493 additions and 1496 deletions

View File

@@ -42,7 +42,7 @@
#include "jsprobes.h"
#include "frontend/BytecodeGenerator.h"
#include "frontend/BytecodeEmitter.h"
#include "frontend/FoldConstants.h"
#include "vm/GlobalObject.h"
@@ -88,8 +88,8 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
Parser &parser = compiler.parser;
TokenStream &tokenStream = parser.tokenStream;
CodeGenerator cg(&parser, tokenStream.getLineno());
if (!cg.init(cx, TreeContext::USED_AS_TREE_CONTEXT))
BytecodeEmitter bce(&parser, tokenStream.getLineno());
if (!bce.init(cx, TreeContext::USED_AS_TREE_CONTEXT))
return NULL;
Probes::compileScriptBegin(cx, filename, lineno);
@@ -107,18 +107,18 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
/* Null script early in case of error, to reduce our code footprint. */
script = NULL;
GlobalScope globalScope(cx, globalObj, &cg);
cg.flags |= tcflags;
cg.setScopeChain(scopeChain);
GlobalScope globalScope(cx, globalObj, &bce);
bce.flags |= tcflags;
bce.setScopeChain(scopeChain);
compiler.globalScope = &globalScope;
if (!SetStaticLevel(&cg, staticLevel))
if (!SetStaticLevel(&bce, staticLevel))
goto out;
/* If this is a direct call to eval, inherit the caller's strictness. */
if (callerFrame &&
callerFrame->isScriptFrame() &&
callerFrame->script()->strictModeCode) {
cg.flags |= TCF_STRICT_MODE_CODE;
bce.flags |= TCF_STRICT_MODE_CODE;
tokenStream.setStrictMode();
}
@@ -134,7 +134,7 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
*/
JSAtom *atom = js_AtomizeString(cx, source);
jsatomid _;
if (!atom || !cg.makeAtomIndex(atom, &_))
if (!atom || !bce.makeAtomIndex(atom, &_))
goto out;
}
@@ -147,9 +147,9 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
ObjectBox *funbox = parser.newObjectBox(callerFrame->fun());
if (!funbox)
goto out;
funbox->emitLink = cg.objectList.lastbox;
cg.objectList.lastbox = funbox;
cg.objectList.length++;
funbox->emitLink = bce.objectList.lastbox;
bce.objectList.lastbox = funbox;
bce.objectList.length++;
#ifdef DEBUG
savedCallerFun = true;
#endif
@@ -161,9 +161,9 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
* generate our script-body blockid since we aren't calling Statements.
*/
uint32 bodyid;
if (!GenerateBlockId(&cg, bodyid))
if (!GenerateBlockId(&bce, bodyid))
goto out;
cg.bodyid = bodyid;
bce.bodyid = bodyid;
#if JS_HAS_XML_SUPPORT
pn = NULL;
@@ -185,26 +185,26 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
pn = parser.statement();
if (!pn)
goto out;
JS_ASSERT(!cg.blockNode);
JS_ASSERT(!bce.blockNode);
if (inDirectivePrologue && !parser.recognizeDirectivePrologue(pn, &inDirectivePrologue))
goto out;
if (!FoldConstants(cx, pn, &cg))
if (!FoldConstants(cx, pn, &bce))
goto out;
if (!parser.analyzeFunctions(&cg))
if (!parser.analyzeFunctions(&bce))
goto out;
cg.functionList = NULL;
bce.functionList = NULL;
if (!EmitTree(cx, &cg, pn))
if (!EmitTree(cx, &bce, pn))
goto out;
#if JS_HAS_XML_SUPPORT
if (!pn->isKind(TOK_SEMI) || !pn->pn_kid || !TreeTypeIsXML(pn->pn_kid->getKind()))
onlyXML = false;
#endif
cg.freeTree(pn);
bce.freeTree(pn);
}
#if JS_HAS_XML_SUPPORT
@@ -225,14 +225,14 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
* incremental code generation we need to patch the bytecode to adjust the
* local references to skip the globals.
*/
if (cg.hasSharps()) {
if (bce.hasSharps()) {
jsbytecode *code, *end;
JSOp op;
const JSCodeSpec *cs;
uintN len, slot;
code = CG_BASE(&cg);
for (end = code + CG_OFFSET(&cg); code != end; code += len) {
code = CG_BASE(&bce);
for (end = code + CG_OFFSET(&bce); code != end; code += len) {
JS_ASSERT(code < end);
op = (JSOp) *code;
cs = &js_CodeSpec[op];
@@ -246,7 +246,7 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
JOF_TYPE(cs->format) != JOF_SLOTATOM);
slot = GET_SLOTNO(code);
if (!(cs->format & JOF_SHARPSLOT))
slot += cg.sharpSlots();
slot += bce.sharpSlots();
if (slot >= SLOTNO_LIMIT)
goto too_many_slots;
SET_SLOTNO(code, slot);
@@ -258,12 +258,12 @@ BytecodeCompiler::compileScript(JSContext *cx, JSObject *scopeChain, StackFrame
* Nowadays the threaded interpreter needs a stop instruction, so we
* do have to emit that here.
*/
if (Emit1(cx, &cg, JSOP_STOP) < 0)
if (Emit1(cx, &bce, JSOP_STOP) < 0)
goto out;
JS_ASSERT(cg.version() == version);
JS_ASSERT(bce.version() == version);
script = JSScript::NewScriptFromCG(cx, &cg);
script = JSScript::NewScriptFromCG(cx, &bce);
if (!script)
goto out;
@@ -401,20 +401,20 @@ BytecodeCompiler::compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipa
Parser &parser = compiler.parser;
TokenStream &tokenStream = parser.tokenStream;
CodeGenerator funcg(&parser, tokenStream.getLineno());
if (!funcg.init(cx, TreeContext::USED_AS_TREE_CONTEXT))
BytecodeEmitter funbce(&parser, tokenStream.getLineno());
if (!funbce.init(cx, TreeContext::USED_AS_TREE_CONTEXT))
return false;
funcg.flags |= TCF_IN_FUNCTION;
funcg.setFunction(fun);
funcg.bindings.transfer(cx, bindings);
fun->setArgCount(funcg.bindings.countArgs());
if (!GenerateBlockId(&funcg, funcg.bodyid))
funbce.flags |= TCF_IN_FUNCTION;
funbce.setFunction(fun);
funbce.bindings.transfer(cx, bindings);
fun->setArgCount(funbce.bindings.countArgs());
if (!GenerateBlockId(&funbce, funbce.bodyid))
return false;
/* FIXME: make Function format the source for a function definition. */
tokenStream.mungeCurrentToken(TOK_NAME);
ParseNode *fn = FunctionNode::create(&funcg);
ParseNode *fn = FunctionNode::create(&funbce);
if (fn) {
fn->pn_body = NULL;
fn->pn_cookie.makeFree();
@@ -426,11 +426,11 @@ BytecodeCompiler::compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipa
* allocated from cx->tempLifoAlloc by DefineArg.
*/
Vector<JSAtom *> names(cx);
if (!funcg.bindings.getLocalNameArray(cx, &names)) {
if (!funbce.bindings.getLocalNameArray(cx, &names)) {
fn = NULL;
} else {
for (uintN i = 0; i < nargs; i++) {
if (!DefineArg(fn, names[i], i, &funcg)) {
if (!DefineArg(fn, names[i], i, &funbce)) {
fn = NULL;
break;
}
@@ -441,7 +441,7 @@ BytecodeCompiler::compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipa
/*
* Farble the body so that it looks like a block statement to EmitTree,
* which is called from EmitFunctionBody (see BytecodeGenerator.cpp).
* which is called from EmitFunctionBody (see BytecodeEmitter.cpp).
* After we're done parsing, we must fold constants, analyze any nested
* functions, and generate code for this function, including a stop opcode
* at the end.
@@ -449,15 +449,15 @@ BytecodeCompiler::compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipa
tokenStream.mungeCurrentToken(TOK_LC);
ParseNode *pn = fn ? parser.functionBody() : NULL;
if (pn) {
if (!CheckStrictParameters(cx, &funcg)) {
if (!CheckStrictParameters(cx, &funbce)) {
pn = NULL;
} else if (!tokenStream.matchToken(TOK_EOF)) {
parser.reportErrorNumber(NULL, JSREPORT_ERROR, JSMSG_SYNTAX_ERROR);
pn = NULL;
} else if (!FoldConstants(cx, pn, &funcg)) {
} else if (!FoldConstants(cx, pn, &funbce)) {
/* FoldConstants reported the error already. */
pn = NULL;
} else if (!parser.analyzeFunctions(&funcg)) {
} else if (!parser.analyzeFunctions(&funbce)) {
pn = NULL;
} else {
if (fn->pn_body) {
@@ -467,7 +467,7 @@ BytecodeCompiler::compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipa
pn = fn->pn_body;
}
if (!EmitFunctionScript(cx, &funcg, pn))
if (!EmitFunctionScript(cx, &funbce, pn))
pn = NULL;
}
}