diff options
Diffstat (limited to 'emulator/opengl/host/tools/emugen/ApiGen.cpp')
| -rw-r--r-- | emulator/opengl/host/tools/emugen/ApiGen.cpp | 771 |
1 files changed, 0 insertions, 771 deletions
diff --git a/emulator/opengl/host/tools/emugen/ApiGen.cpp b/emulator/opengl/host/tools/emugen/ApiGen.cpp deleted file mode 100644 index ffa71d856..000000000 --- a/emulator/opengl/host/tools/emugen/ApiGen.cpp +++ /dev/null @@ -1,771 +0,0 @@ -/* -* Copyright (C) 2011 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 "ApiGen.h" -#include "EntryPoint.h" -#include <stdio.h> -#include <stdlib.h> -#include "strUtils.h" -#include <errno.h> -#include <sys/types.h> - - -EntryPoint * ApiGen::findEntryByName(const std::string & name) -{ - EntryPoint * entry = NULL; - - size_t n = this->size(); - for (size_t i = 0; i < n; i++) { - if (at(i).name() == name) { - entry = &(at(i)); - break; - } - } - return entry; -} - -void ApiGen::printHeader(FILE *fp) const -{ - fprintf(fp, "// Generated Code - DO NOT EDIT !!\n"); - fprintf(fp, "// generated by 'emugen'\n"); -} - -int ApiGen::genProcTypes(const std::string &filename, SideType side) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - printHeader(fp); - - fprintf(fp, "#ifndef __%s_%s_proc_t_h\n", m_basename.c_str(), sideString(side)); - fprintf(fp, "#define __%s_%s_proc_t_h\n", m_basename.c_str(), sideString(side)); - fprintf(fp, "\n\n"); - fprintf(fp, "\n#include \"%s_types.h\"\n", m_basename.c_str()); - - for (size_t i = 0; i < size(); i++) { - EntryPoint *e = &at(i); - - fprintf(fp, "typedef "); - e->retval().printType(fp); - fprintf(fp, " (* %s_%s_proc_t) (", e->name().c_str(), sideString(side)); - if (side == CLIENT_SIDE) { fprintf(fp, "void * ctx"); } - if (e->customDecoder() && side == SERVER_SIDE) { fprintf(fp, "void *ctx"); } - - VarsArray & evars = e->vars(); - size_t n = evars.size(); - - for (size_t j = 0; j < n; j++) { - if (!evars[j].isVoid()) { - if (j != 0 || side == CLIENT_SIDE || (side == SERVER_SIDE && e->customDecoder())) fprintf(fp, ", "); - evars[j].printType(fp); - } - } - fprintf(fp, ");\n"); - } - fprintf(fp, "\n\n#endif\n"); - return 0; -} - -int ApiGen::genContext(const std::string & filename, SideType side) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - printHeader(fp); - - fprintf(fp, "#ifndef __%s_%s_context_t_h\n", m_basename.c_str(), sideString(side)); - fprintf(fp, "#define __%s_%s_context_t_h\n", m_basename.c_str(), sideString(side)); - - // fprintf(fp, "\n#include \"%s_types.h\"\n", m_basename.c_str()); - fprintf(fp, "\n#include \"%s_%s_proc.h\"\n", m_basename.c_str(), sideString(side)); - - StringVec & contextHeaders = side == CLIENT_SIDE ? m_clientContextHeaders : m_serverContextHeaders; - for (size_t i = 0; i < contextHeaders.size(); i++) { - fprintf(fp, "#include %s\n", contextHeaders[i].c_str()); - } - fprintf(fp, "\n"); - - fprintf(fp, "\nstruct %s_%s_context_t {\n\n", m_basename.c_str(), sideString(side)); - for (size_t i = 0; i < size(); i++) { - EntryPoint *e = &at(i); - fprintf(fp, "\t%s_%s_proc_t %s;\n", e->name().c_str(), sideString(side), e->name().c_str()); - } - // accessors - fprintf(fp, "\t//Accessors \n"); - - for (size_t i = 0; i < size(); i++) { - EntryPoint *e = &at(i); - const char *n = e->name().c_str(); - const char *s = sideString(side); - fprintf(fp, "\tvirtual %s_%s_proc_t set_%s(%s_%s_proc_t f) { %s_%s_proc_t retval = %s; %s = f; return retval;}\n", n, s, n, n, s, n, s, n, n); - } - - // virtual destructor - fprintf(fp, "\t virtual ~%s_%s_context_t() {}\n", m_basename.c_str(), sideString(side)); - // accessor - if (side == CLIENT_SIDE) { - fprintf(fp, "\n\ttypedef %s_%s_context_t *CONTEXT_ACCESSOR_TYPE(void);\n", - m_basename.c_str(), sideString(side)); - fprintf(fp, "\tvoid setContextAccessor(CONTEXT_ACCESSOR_TYPE *f);\n"); - } - - fprintf(fp, "};\n"); - - fprintf(fp, "\n#endif\n"); - fclose(fp); - return 0; -} - -int ApiGen::genClientEntryPoints(const std::string & filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return errno; - } - - printHeader(fp); - fprintf(fp, "#include <stdio.h>\n"); - fprintf(fp, "#include <stdlib.h>\n"); - fprintf(fp, "#include \"%s_%s_context.h\"\n", m_basename.c_str(), sideString(CLIENT_SIDE)); - fprintf(fp, "\n"); - - fprintf(fp, "extern \"C\" {\n"); - - for (size_t i = 0; i < size(); i++) { - fprintf(fp, "\t"); at(i).print(fp, false); fprintf(fp, ";\n"); - } - fprintf(fp, "};\n\n"); - - fprintf(fp, "static %s_%s_context_t::CONTEXT_ACCESSOR_TYPE *getCurrentContext = NULL;\n", - m_basename.c_str(), sideString(CLIENT_SIDE)); - - fprintf(fp, - "void %s_%s_context_t::setContextAccessor(CONTEXT_ACCESSOR_TYPE *f) { getCurrentContext = f; }\n\n", - m_basename.c_str(), sideString(CLIENT_SIDE)); - - - for (size_t i = 0; i < size(); i++) { - EntryPoint *e = &at(i); - e->print(fp); - fprintf(fp, "{\n"); - fprintf(fp, "\t %s_%s_context_t * ctx = getCurrentContext(); \n", - m_basename.c_str(), sideString(CLIENT_SIDE)); - - bool shouldReturn = !e->retval().isVoid(); - - fprintf(fp, "\t %sctx->%s(ctx", - shouldReturn ? "return " : "", - e->name().c_str()); - size_t nvars = e->vars().size(); - - for (size_t j = 0; j < nvars; j++) { - if (!e->vars()[j].isVoid()) { - fprintf(fp, ", %s", e->vars()[j].name().c_str()); - } - } - fprintf(fp, ");\n"); - fprintf(fp, "}\n\n"); - } - fclose(fp); - return 0; -} - - -int ApiGen::genOpcodes(const std::string &filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return errno; - } - - printHeader(fp); - fprintf(fp, "#ifndef __GUARD_%s_opcodes_h_\n", m_basename.c_str()); - fprintf(fp, "#define __GUARD_%s_opcodes_h_\n\n", m_basename.c_str()); - for (size_t i = 0; i < size(); i++) { - fprintf(fp, "#define OP_%s \t\t\t\t\t%u\n", at(i).name().c_str(), (unsigned int)i + m_baseOpcode); - } - fprintf(fp, "#define OP_last \t\t\t\t\t%u\n", (unsigned int)size() + m_baseOpcode); - fprintf(fp,"\n\n#endif\n"); - fclose(fp); - return 0; - -} -int ApiGen::genAttributesTemplate(const std::string &filename ) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - - for (size_t i = 0; i < size(); i++) { - if (at(i).hasPointers()) { - fprintf(fp, "#"); - at(i).print(fp); - fprintf(fp, "%s\n\n", at(i).name().c_str()); - } - } - fclose(fp); - return 0; -} - -int ApiGen::genEncoderHeader(const std::string &filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - - printHeader(fp); - std::string classname = m_basename + "_encoder_context_t"; - - fprintf(fp, "\n#ifndef GUARD_%s\n", classname.c_str()); - fprintf(fp, "#define GUARD_%s\n\n", classname.c_str()); - - fprintf(fp, "#include \"IOStream.h\"\n"); - fprintf(fp, "#include \"%s_%s_context.h\"\n\n\n", m_basename.c_str(), sideString(CLIENT_SIDE)); - - for (size_t i = 0; i < m_encoderHeaders.size(); i++) { - fprintf(fp, "#include %s\n", m_encoderHeaders[i].c_str()); - } - fprintf(fp, "\n"); - - fprintf(fp, "struct %s : public %s_%s_context_t {\n\n", - classname.c_str(), m_basename.c_str(), sideString(CLIENT_SIDE)); - fprintf(fp, "\tIOStream *m_stream;\n\n"); - - fprintf(fp, "\t%s(IOStream *stream);\n\n", classname.c_str()); - fprintf(fp, "\n};\n\n"); - - fprintf(fp,"extern \"C\" {\n"); - - for (size_t i = 0; i < size(); i++) { - fprintf(fp, "\t"); - at(i).print(fp, false, "_enc", /* classname + "::" */"", "void *self"); - fprintf(fp, ";\n"); - } - fprintf(fp, "};\n"); - fprintf(fp, "#endif"); - - fclose(fp); - return 0; -} - -int ApiGen::genEncoderImpl(const std::string &filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - - printHeader(fp); - fprintf(fp, "\n\n#include <string.h>\n"); - fprintf(fp, "#include \"%s_opcodes.h\"\n\n", m_basename.c_str()); - fprintf(fp, "#include \"%s_enc.h\"\n\n\n", m_basename.c_str()); - fprintf(fp, "#include <stdio.h>\n"); - std::string classname = m_basename + "_encoder_context_t"; - size_t n = size(); - - // unsupport printout - fprintf(fp, "static void enc_unsupported()\n{\n\tfprintf(stderr, \"Function is unsupported\\n\");\n}\n\n"); - - // entry points; - for (size_t i = 0; i < n; i++) { - EntryPoint *e = &at(i); - - if (e->unsupported()) continue; - - - e->print(fp, true, "_enc", /* classname + "::" */"", "void *self"); - fprintf(fp, "{\n"); - - fprintf(fp, "\n\t%s *ctx = (%s *)self;\n\n", - classname.c_str(), - classname.c_str()); - - // size calculation ; - fprintf(fp, "\t size_t packetSize = "); - - VarsArray & evars = e->vars(); - size_t nvars = evars.size(); - size_t npointers = 0; - for (size_t j = 0; j < nvars; j++) { - fprintf(fp, "%s ", j == 0 ? "" : " +"); - if (evars[j].isPointer()) { - npointers++; - - if (evars[j].lenExpression() == "") { - fprintf(stderr, "%s: data len is undefined for '%s'\n", - e->name().c_str(), evars[j].name().c_str()); - } - - if (evars[j].nullAllowed()) { - fprintf(fp, "(%s != NULL ? %s : 0)", - evars[j].name().c_str(), - evars[j].lenExpression().c_str()); - } else { - if (evars[j].pointerDir() == Var::POINTER_IN || - evars[j].pointerDir() == Var::POINTER_INOUT) { - fprintf(fp, "%s", evars[j].lenExpression().c_str()); - } else { - fprintf(fp, "0"); - } - } - } else { - fprintf(fp, "%u", (unsigned int) evars[j].type()->bytes()); - } - } - fprintf(fp, " %s 8 + %u * 4;\n", nvars != 0 ? "+" : "", (unsigned int) npointers); - - // allocate buffer from the stream; - fprintf(fp, "\t unsigned char *ptr = ctx->m_stream->alloc(packetSize);\n\n"); - - // encode into the stream; - fprintf(fp, "\t*(unsigned int *)(ptr) = OP_%s; ptr += 4;\n", e->name().c_str()); - fprintf(fp, "\t*(unsigned int *)(ptr) = (unsigned int) packetSize; ptr += 4;\n\n"); - - // out variables - for (size_t j = 0; j < nvars; j++) { - if (evars[j].isPointer()) { - // encode a pointer header - if (evars[j].nullAllowed()) { - fprintf(fp, "\t*(unsigned int *)(ptr) = (%s != NULL) ? %s : 0; ptr += 4; \n", - evars[j].name().c_str(), evars[j].lenExpression().c_str()); - } else { - fprintf(fp, "\t*(unsigned int *)(ptr) = %s; ptr += 4; \n", - evars[j].lenExpression().c_str()); - } - - Var::PointerDir dir = evars[j].pointerDir(); - if (dir == Var::POINTER_INOUT || dir == Var::POINTER_IN) { - if (evars[j].nullAllowed()) { - fprintf(fp, "\tif (%s != NULL) ", evars[j].name().c_str()); - } else { - fprintf(fp, "\t"); - } - - if (evars[j].packExpression().size() != 0) { - fprintf(fp, "%s;", evars[j].packExpression().c_str()); - } else { - fprintf(fp, "memcpy(ptr, %s, %s);", - evars[j].name().c_str(), - evars[j].lenExpression().c_str()); - } - - fprintf(fp, "ptr += %s;\n", evars[j].lenExpression().c_str()); - } - } else { - // encode a non pointer variable - if (!evars[j].isVoid()) { - fprintf(fp, "\t*(%s *) (ptr) = %s; ptr += %u;\n", - evars[j].type()->name().c_str(), evars[j].name().c_str(), - (uint) evars[j].type()->bytes()); - } - } - } - // in variables; - for (size_t j = 0; j < nvars; j++) { - if (evars[j].isPointer()) { - Var::PointerDir dir = evars[j].pointerDir(); - if (dir == Var::POINTER_INOUT || dir == Var::POINTER_OUT) { - if (evars[j].nullAllowed()) { - fprintf(fp, "\tif (%s != NULL) ctx->m_stream->readback(%s, %s);\n", - evars[j].name().c_str(), - evars[j].name().c_str(), - evars[j].lenExpression().c_str()); - } else { - fprintf(fp, "\tctx->m_stream->readback(%s, %s);\n", - evars[j].name().c_str(), - evars[j].lenExpression().c_str()); - } - } - } - } - // todo - return value for pointers - if (e->retval().isPointer()) { - fprintf(stderr, "WARNING: %s : return value of pointer is unsupported\n", - e->name().c_str()); - fprintf(fp, "\t return NULL;\n"); - } else if (e->retval().type()->name() != "void") { - fprintf(fp, "\n\t%s retval;\n", e->retval().type()->name().c_str()); - fprintf(fp, "\tctx->m_stream->readback(&retval, %u);\n",(uint) e->retval().type()->bytes()); - fprintf(fp, "\treturn retval;\n"); - } - fprintf(fp, "}\n\n"); - } - - // constructor - fprintf(fp, "%s::%s(IOStream *stream)\n{\n", classname.c_str(), classname.c_str()); - fprintf(fp, "\tm_stream = stream;\n\n"); - - for (size_t i = 0; i < n; i++) { - EntryPoint *e = &at(i); - if (e->unsupported()) { - fprintf(fp, "\tset_%s((%s_%s_proc_t)(enc_unsupported));\n", e->name().c_str(), e->name().c_str(), sideString(CLIENT_SIDE)); - } else { - fprintf(fp, "\tset_%s(%s_enc);\n", e->name().c_str(), e->name().c_str()); - } - /** - if (e->unsupsported()) { - fprintf(fp, "\tmemcpy((void *)(&%s), (const void *)(&enc_unsupported), sizeof(%s));\n", - e->name().c_str(), - e->name().c_str()); - } else { - fprintf(fp, "\t%s = %s_enc;\n", e->name().c_str(), e->name().c_str()); - } - **/ - } - fprintf(fp, "}\n\n"); - - fclose(fp); - return 0; -} - - -int ApiGen::genDecoderHeader(const std::string &filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - - printHeader(fp); - std::string classname = m_basename + "_decoder_context_t"; - - fprintf(fp, "\n#ifndef GUARD_%s\n", classname.c_str()); - fprintf(fp, "#define GUARD_%s\n\n", classname.c_str()); - - fprintf(fp, "#include \"IOStream.h\" \n"); - fprintf(fp, "#include \"%s_%s_context.h\"\n\n\n", m_basename.c_str(), sideString(SERVER_SIDE)); - - for (size_t i = 0; i < m_decoderHeaders.size(); i++) { - fprintf(fp, "#include %s\n", m_decoderHeaders[i].c_str()); - } - fprintf(fp, "\n"); - - fprintf(fp, "struct %s : public %s_%s_context_t {\n\n", - classname.c_str(), m_basename.c_str(), sideString(SERVER_SIDE)); - fprintf(fp, "\tsize_t decode(void *buf, size_t bufsize, IOStream *stream);\n"); - fprintf(fp, "\tint init( void *(*getProc)(const char *name));\n"); - fprintf(fp, "\n};\n\n"); - fprintf(fp, "#endif"); - - fclose(fp); - return 0; -} - -int ApiGen::genDecoderImpl(const std::string &filename) -{ - FILE *fp = fopen(filename.c_str(), "wt"); - if (fp == NULL) { - perror(filename.c_str()); - return -1; - } - - printHeader(fp); - - std::string classname = m_basename + "_decoder_context_t"; - - size_t n = size(); - - fprintf(fp, "\n\n#include <string.h>\n"); - fprintf(fp, "#include \"%s_opcodes.h\"\n\n", m_basename.c_str()); - fprintf(fp, "#include \"%s_dec.h\"\n\n\n", m_basename.c_str()); - fprintf(fp, "#include <stdio.h>\n"); - - // init function; - fprintf(fp, "int %s::init(void *(*getProc)(const char *))\n{\n", classname.c_str()); - fprintf(fp, "\tvoid *ptr;\n\n"); - for (size_t i = 0; i < n; i++) { - EntryPoint *e = &at(i); - fprintf(fp, "\tptr = getProc(\"%s\"); set_%s((%s_%s_proc_t)ptr);\n", - e->name().c_str(), - e->name().c_str(), - e->name().c_str(), - sideString(SERVER_SIDE)); - - } - fprintf(fp, "\treturn 0;\n"); - fprintf(fp, "}\n\n"); - - // decoder switch; - fprintf(fp, "size_t %s::decode(void *buf, size_t len, IOStream *stream)\n{\n", classname.c_str()); - fprintf(fp, - " \n\ -\tsize_t pos = 0;\n\ -\tif (len < 8) return pos; \n\ -\tunsigned char *ptr = (unsigned char *)buf;\n\ -\tbool unknownOpcode = false; \n\ -\twhile ((len - pos >= 8) && !unknownOpcode) { \n\ -\t\tvoid *params[%u]; \n\ -\t\tint opcode = *(int *)ptr; \n\ -\t\tunsigned int packetLen = *(int *)(ptr + 4);\n\ -\t\tif (len - pos < packetLen) return pos; \n\ -\t\tswitch(opcode) {\n", - (uint) m_maxEntryPointsParams); - - for (size_t f = 0; f < n; f++) { - enum Pass_t { PASS_MemAlloc = 0, PASS_DebugPrint, PASS_FunctionCall, PASS_Epilog, PASS_LAST }; - EntryPoint *e = &at(f); - // construct a printout string; - std::string printString = ""; - for (size_t i = 0; i < e->vars().size(); i++) { - Var *v = &e->vars()[i]; - if (!v->isVoid()) printString += (v->isPointer() ? "%p(%u)" : v->type()->printFormat()) + " "; - } - printString += ""; - // TODO - add for return value; - - fprintf(fp, "\t\t\tcase OP_%s:\n", e->name().c_str()); - fprintf(fp, "\t\t\t{\n"); - - for (int pass = PASS_MemAlloc; pass < PASS_LAST; pass++) { - if (pass == PASS_FunctionCall && !e->retval().isVoid()) { - fprintf(fp, "\t\t\t%s %s retval = ", e->retval().type()->name().c_str(), e->retval().isPointer() ? "*" : ""); - } - - - if (pass == PASS_FunctionCall) { - fprintf(fp, "\t\t\tthis->%s(", e->name().c_str()); - if (e->customDecoder()) { - fprintf(fp, "this"); // add a context to the call - } - } else if (pass == PASS_DebugPrint) { - fprintf(fp, "#ifdef DEBUG_PRINTOUT\n"); - fprintf(fp, "\t\t\tfprintf(stderr,\"%s(%s)\\n\"", e->name().c_str(), printString.c_str()); - if (e->vars().size() > 0 && !e->vars()[0].isVoid()) fprintf(fp, ","); - } - - std::string varoffset = "8"; // skip the header - VarsArray & evars = e->vars(); - // allocate memory for out pointers; - for (size_t j = 0; j < evars.size(); j++) { - Var *v = & evars[j]; - if (!v->isVoid()) { - if ((pass == PASS_FunctionCall) && (j != 0 || e->customDecoder())) fprintf(fp, ", "); - if (pass == PASS_DebugPrint && j != 0) fprintf(fp, ", "); - - if (!v->isPointer()) { - if (pass == PASS_FunctionCall || pass == PASS_DebugPrint) { - fprintf(fp, "*(%s *)(ptr + %s)", v->type()->name().c_str(), varoffset.c_str()); - } - varoffset += " + " + toString(v->type()->bytes()); - } else { - if (v->pointerDir() == Var::POINTER_IN || v->pointerDir() == Var::POINTER_INOUT) { - if (pass == PASS_MemAlloc && v->pointerDir() == Var::POINTER_INOUT) { - fprintf(fp, "\t\t\tsize_t tmpPtr%uSize = (size_t)*(unsigned int *)(ptr + %s);\n", - (uint) j, varoffset.c_str()); - fprintf(fp, "unsigned char *tmpPtr%u = (ptr + %s + 4);\n", - (uint) j, varoffset.c_str()); - } - if (pass == PASS_FunctionCall) { - fprintf(fp, "(%s *)(ptr + %s + 4)", - v->type()->name().c_str(), varoffset.c_str()); - } else if (pass == PASS_DebugPrint) { - fprintf(fp, "(%s *)(ptr + %s + 4), *(unsigned int *)(ptr + %s)", - v->type()->name().c_str(), varoffset.c_str(), - varoffset.c_str()); - } - varoffset += " + 4 + *(size_t *)(ptr +" + varoffset + ")"; - } else { // in pointer; - if (pass == PASS_MemAlloc) { - fprintf(fp, "\t\t\tsize_t tmpPtr%uSize = (size_t)*(unsigned int *)(ptr + %s);\n", - (uint) j, varoffset.c_str()); - fprintf(fp, "\t\t\tunsigned char *tmpPtr%u = new unsigned char[tmpPtr%uSize];\n", - (uint)j, (uint)j); - } else if (pass == PASS_FunctionCall) { - fprintf(fp, "(%s *)(tmpPtr%u)", v->type()->name().c_str(), (uint) j); - } else if (pass == PASS_DebugPrint) { - fprintf(fp, "(%s *)(tmpPtr%u), *(unsigned int *)(ptr + %s)", - v->type()->name().c_str(), (uint) j, - varoffset.c_str()); - } - varoffset += " + 4"; - } - } - } - } - - if (pass == PASS_FunctionCall || pass == PASS_DebugPrint) fprintf(fp, ");\n"); - if (pass == PASS_DebugPrint) fprintf(fp, "#endif\n"); - - if (pass == PASS_Epilog) { - // send back out pointers data; - for (size_t j = 0; j < evars.size(); j++) { - Var *v = &evars[j]; - if (v->isPointer() && (v->pointerDir() == Var::POINTER_OUT || v->pointerDir() == Var::POINTER_INOUT)) { - fprintf(fp, "\t\t\tstream->writeFully(tmpPtr%u, tmpPtr%uSize);\n", (uint) j, (uint) j); - if (v->pointerDir() == Var::POINTER_OUT) fprintf(fp, "delete tmpPtr%u;\n", (uint) j); - } - } - if (!e->retval().isVoid() && !e->retval().isPointer()) { - fprintf(fp, "\t\t\tstream->writeFully(&retval, sizeof(retval));\n"); - } - fprintf(fp, "\t\t\tpos += *(int *)(ptr + 4);\n"); - fprintf(fp, "\t\t\tptr += *(int *)(ptr + 4);\n"); - } - } // pass; - fprintf(fp, "\t\t\t}\n"); - fprintf(fp, "\t\t\tbreak;\n"); - } - fprintf(fp, "\t\t\tdefault:\n"); - fprintf(fp, "\t\t\t\tunknownOpcode = true;\n"); - fprintf(fp, "\t\t} //switch\n"); - fprintf(fp, "\t} // while\n"); - fprintf(fp, "\treturn pos;\n"); - fprintf(fp, "}\n"); - - fclose(fp); - return 0; -} - -int ApiGen::readSpec(const std::string & filename) -{ - FILE *specfp = fopen(filename.c_str(), "rt"); - if (specfp == NULL) { - return -1; - } - - char line[1000]; - unsigned int lc = 0; - while (fgets(line, sizeof(line), specfp) != NULL) { - lc++; - EntryPoint ref; - if (ref.parse(lc, std::string(line))) { - push_back(ref); - updateMaxEntryPointsParams(ref.vars().size()); - } - } - fclose(specfp); - return 0; -} - -int ApiGen::readAttributes(const std::string & attribFilename) -{ - enum { ST_NAME, ST_ATT } state; - - FILE *fp = fopen(attribFilename.c_str(), "rt"); - if (fp == NULL) { - perror(attribFilename.c_str()); - return -1; - } - char buf[1000]; - - state = ST_NAME; - EntryPoint *currentEntry = NULL; - size_t lc = 0; - bool globalAttributes = false; - while (fgets(buf, sizeof(buf), fp) != NULL) { - lc++; - std::string line(buf); - if (line.size() == 0) continue; // could that happen? - - if (line.at(0) == '#') continue; // comment - - size_t first = line.find_first_not_of(" \t\n"); - if (state == ST_ATT && (first == std::string::npos || first == 0)) state = ST_NAME; - - line = trim(line); - if (line.size() == 0 || line.at(0) == '#') continue; - - switch(state) { - case ST_NAME: - if (line == "GLOBAL") { - globalAttributes = true; - } else { - globalAttributes = false; - currentEntry = findEntryByName(line); - if (currentEntry == NULL) { - fprintf(stderr, "WARNING: %u: attribute of non existant entry point %s\n", (unsigned int)lc, line.c_str()); - } - } - state = ST_ATT; - break; - case ST_ATT: - if (globalAttributes) { - setGlobalAttribute(line, lc); - } else if (currentEntry != NULL) { - currentEntry->setAttribute(line, lc); - } - break; - } - } - return 0; -} - - -int ApiGen::setGlobalAttribute(const std::string & line, size_t lc) -{ - size_t pos = 0; - size_t last; - std::string token = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - - if (token == "base_opcode") { - std::string str = getNextToken(line, pos, &last, WHITESPACE); - if (str.size() == 0) { - fprintf(stderr, "line %u: missing value for base_opcode\n", (uint) lc); - } else { - setBaseOpcode(atoi(str.c_str())); - } - } else if (token == "encoder_headers") { - std::string str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - while (str.size() != 0) { - encoderHeaders().push_back(str); - str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - } - } else if (token == "client_context_headers") { - std::string str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - while (str.size() != 0) { - clientContextHeaders().push_back(str); - str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - } - } else if (token == "server_context_headers") { - std::string str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - while (str.size() != 0) { - serverContextHeaders().push_back(str); - str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - } - } else if (token == "decoder_headers") { - std::string str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - while (str.size() != 0) { - decoderHeaders().push_back(str); - str = getNextToken(line, pos, &last, WHITESPACE); - pos = last; - } - } - else { - fprintf(stderr, "WARNING: %u : unknown global attribute %s\n", (unsigned int)lc, line.c_str()); - } - - return 0; -} - |