Generate all APIs.
This CL expands the generator to create all the .rsh files, not just
the core_math one. To do so, processing of types (simple, struct, enums)
and constants was added. .spec files corresponding to each .rsh file was
created. Documentation was added.
This CL also generates HTML documentation files. This generation will soon
be upgraded.
To make the code easier to expand, I've done fairly extensive refactoring.
In a subsequent CL, the APIs will be regrouped in different header files to
simplify learning the APIs. In an other, the documentation generation will
be futher improved and incorporated in the actual online help.
Also removes rs_path & related functions.
Change-Id: I2c88554c9c6a8625233772b89e055fc6c4ad5da5
diff --git a/api/Scanner.cpp b/api/Scanner.cpp
new file mode 100644
index 0000000..660dd24
--- /dev/null
+++ b/api/Scanner.cpp
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <iostream>
+#include <sstream>
+
+#include "Scanner.h"
+#include "Specification.h"
+#include "Utilities.h"
+
+using namespace std;
+
+// Maximum of errors we'll report before bailing out.
+const int MAX_ERRORS = 10;
+
+Scanner::Scanner(const string& fileName, FILE* file)
+ : mFileName(fileName), mFile(file), mLineNumber(0), mTagConsumed(true), mErrorCount(0) {
+}
+
+bool Scanner::atEnd() {
+ return (mTagConsumed && feof(mFile)) || mErrorCount > MAX_ERRORS;
+}
+
+int Scanner::getChar() {
+ int c = fgetc(mFile);
+ if (c == '\n') {
+ mLineNumber++;
+ }
+ return c;
+}
+
+void Scanner::readUpTo(char delimiter, string* segment) {
+ for (;;) {
+ int c = getChar();
+ if (c == EOF || c == '\n') {
+ break;
+ }
+ segment->push_back((char)c);
+ if (c == delimiter) {
+ break;
+ }
+ }
+}
+
+void Scanner::readRestOfLine(string* segment) {
+ for (;;) {
+ int c = getChar();
+ if (c == EOF || c == '\n') {
+ return;
+ }
+ segment->push_back((char)c);
+ }
+}
+
+bool Scanner::getNextEntry() {
+ mTag.clear();
+ mValue.clear();
+ for (;;) {
+ int c = getChar();
+ if (c == EOF) {
+ return false;
+ }
+ if (c == '#') {
+ // Skip the comment
+ string comment;
+ readRestOfLine(&comment);
+ continue;
+ }
+ if (c == ' ') {
+ readRestOfLine(&mValue);
+ break;
+ } else if (c == '\n') {
+ break;
+ } else {
+ mTag = c;
+ readUpTo(':', &mTag);
+ readRestOfLine(&mValue);
+ trimSpaces(&mValue);
+ break;
+ }
+ }
+ return true;
+}
+
+ostream& Scanner::error() {
+ return error(mLineNumber);
+}
+
+ostream& Scanner::error(int lineNumber) {
+ if (++mErrorCount <= MAX_ERRORS) {
+ cerr << mFileName << ":" << lineNumber << ": error: ";
+ }
+ return cerr;
+}
+
+void Scanner::skipBlankEntries() {
+ while (findOptionalTag("")) {
+ if (!mValue.empty()) {
+ error() << "Unexpected: \" " << mValue << "\".\n";
+ }
+ }
+}
+
+bool Scanner::findTag(const char* tag) {
+ bool found = findOptionalTag(tag);
+ if (!found) {
+ error() << "Found \"" << mTag << "\" while looking for \"" << tag << "\".\n";
+ }
+ mTagConsumed = true;
+ return found;
+}
+
+bool Scanner::findOptionalTag(const char* tag) {
+ if (mTagConsumed) {
+ if (!getNextEntry()) {
+ return false;
+ }
+ }
+ mTagConsumed = (mTag == tag);
+ return mTagConsumed;
+}
+
+void Scanner::checkNoValue() {
+ if (!mValue.empty()) {
+ error() << "Did not expect \"" << mValue << "\" after \"" << mTag << "\".\n";
+ }
+}
+
+void Scanner::parseDocumentation(string* s, string* documentation) {
+ size_t docStart = s->find(", \"");
+ if (docStart == string::npos) {
+ documentation->erase();
+ } else {
+ size_t first = docStart + 3;
+ size_t last = s->find('\"', first);
+ if (last == string::npos) {
+ error() << "Missing closing double quote\n";
+ }
+ *documentation = s->substr(first, last - first);
+ s->erase(docStart);
+ }
+}
+
+ParameterEntry* Scanner::parseArgString(bool isReturn) {
+ string s = mValue;
+ ParameterEntry* p = new ParameterEntry();
+ parseDocumentation(&s, &p->documentation);
+
+ size_t optionStart = s.find(", ");
+ if (optionStart != string::npos) {
+ p->testOption = s.substr(optionStart + 2);
+ s.erase(optionStart);
+ }
+
+ trimSpaces(&s);
+ if (!isReturn) {
+ size_t nameStart = s.rfind(' ');
+ if (nameStart == string::npos) {
+ error() << "Missing variable name\n";
+ } else {
+ p->name = s.substr(nameStart + 1);
+ s.erase(nameStart);
+ if (p->name.find('*') != string::npos) {
+ error() << "The '*' should be attached to the type\n";
+ }
+ }
+ }
+
+ if (s == "void" && !isReturn) {
+ error() << "void is only allowed for ret:\n";
+ }
+ p->type = s;
+ p->lineNumber = mLineNumber;
+ return p;
+}