168 lines
4.3 KiB
C++
168 lines
4.3 KiB
C++
// Copyright 2015 Google Inc. All rights reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build ignore
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#include "stmt.h"
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#include "eval.h"
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#include "expr.h"
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#include "stringprintf.h"
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#include "strutil.h"
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Stmt::Stmt() {}
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Stmt::~Stmt() {}
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string RuleStmt::DebugString() const {
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return StringPrintf("RuleStmt(expr=%s term=%d after_term=%s loc=%s:%d)",
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expr->DebugString().c_str(),
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term,
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after_term->DebugString().c_str(),
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LOCF(loc()));
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}
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string AssignStmt::DebugString() const {
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const char* opstr = "???";
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switch (op) {
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case AssignOp::EQ: opstr = "EQ"; break;
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case AssignOp::COLON_EQ: opstr = "COLON_EQ"; break;
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case AssignOp::PLUS_EQ: opstr = "PLUS_EQ"; break;
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case AssignOp::QUESTION_EQ: opstr = "QUESTION_EQ"; break;
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}
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const char* dirstr = "???";
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switch (directive) {
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case AssignDirective::NONE: dirstr = ""; break;
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case AssignDirective::OVERRIDE: dirstr = "override"; break;
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case AssignDirective::EXPORT: dirstr = "export"; break;
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}
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return StringPrintf("AssignStmt(lhs=%s rhs=%s (%s) "
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"opstr=%s dir=%s loc=%s:%d)",
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lhs->DebugString().c_str(),
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rhs->DebugString().c_str(),
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NoLineBreak(orig_rhs.as_string()).c_str(),
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opstr, dirstr, LOCF(loc()));
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}
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Symbol AssignStmt::GetLhsSymbol(Evaluator* ev) const {
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if (!lhs->IsLiteral()) {
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string buf;
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lhs->Eval(ev, &buf);
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return Intern(buf);
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}
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if (!lhs_sym_cache_.IsValid()) {
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lhs_sym_cache_ = Intern(lhs->GetLiteralValueUnsafe());
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}
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return lhs_sym_cache_;
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}
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string CommandStmt::DebugString() const {
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return StringPrintf("CommandStmt(%s, loc=%s:%d)",
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expr->DebugString().c_str(), LOCF(loc()));
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}
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string IfStmt::DebugString() const {
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const char* opstr = "???";
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switch (op) {
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case CondOp::IFEQ: opstr = "ifeq"; break;
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case CondOp::IFNEQ: opstr = "ifneq"; break;
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case CondOp::IFDEF: opstr = "ifdef"; break;
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case CondOp::IFNDEF: opstr = "ifndef"; break;
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}
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return StringPrintf("IfStmt(op=%s, lhs=%s, rhs=%s t=%zu f=%zu loc=%s:%d)",
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opstr,
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lhs->DebugString().c_str(),
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rhs->DebugString().c_str(),
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true_stmts.size(),
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false_stmts.size(),
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LOCF(loc()));
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}
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string IncludeStmt::DebugString() const {
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return StringPrintf("IncludeStmt(%s, loc=%s:%d)",
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expr->DebugString().c_str(), LOCF(loc()));
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}
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string ExportStmt::DebugString() const {
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return StringPrintf("ExportStmt(%s, %d, loc=%s:%d)",
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expr->DebugString().c_str(),
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is_export,
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LOCF(loc()));
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}
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string ParseErrorStmt::DebugString() const {
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return StringPrintf("ParseErrorStmt(%s, loc=%s:%d)",
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msg.c_str(),
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LOCF(loc()));
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}
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RuleStmt::~RuleStmt() {
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delete expr;
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delete after_term;
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}
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void RuleStmt::Eval(Evaluator* ev) const {
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ev->EvalRule(this);
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}
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AssignStmt::~AssignStmt() {
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delete lhs;
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delete rhs;
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}
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void AssignStmt::Eval(Evaluator* ev) const {
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ev->EvalAssign(this);
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}
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CommandStmt::~CommandStmt() {
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delete expr;
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}
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void CommandStmt::Eval(Evaluator* ev) const {
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ev->EvalCommand(this);
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}
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IfStmt::~IfStmt() {
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delete lhs;
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delete rhs;
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}
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void IfStmt::Eval(Evaluator* ev) const {
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ev->EvalIf(this);
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}
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IncludeStmt::~IncludeStmt() {
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delete expr;
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}
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void IncludeStmt::Eval(Evaluator* ev) const {
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ev->EvalInclude(this);
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}
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ExportStmt::~ExportStmt() {
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delete expr;
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}
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void ExportStmt::Eval(Evaluator* ev) const {
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ev->EvalExport(this);
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}
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ParseErrorStmt::~ParseErrorStmt() {
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}
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void ParseErrorStmt::Eval(Evaluator* ev) const {
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ev->set_loc(loc());
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ev->Error(msg);
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}
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