diff options
Diffstat (limited to 'tools/scaninc/asm_file.cpp')
-rw-r--r-- | tools/scaninc/asm_file.cpp | 384 |
1 files changed, 192 insertions, 192 deletions
diff --git a/tools/scaninc/asm_file.cpp b/tools/scaninc/asm_file.cpp index 109e604..e94d678 100644 --- a/tools/scaninc/asm_file.cpp +++ b/tools/scaninc/asm_file.cpp @@ -1,192 +1,192 @@ -// Copyright(c) 2015-2017 YamaArashi -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -#include <cstdio> -#include <string> -#include "scaninc.h" -#include "asm_file.h" - -AsmFile::AsmFile(std::string path) -{ - m_path = path; - - FILE *fp = std::fopen(path.c_str(), "rb"); - - if (fp == NULL) - FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); - - std::fseek(fp, 0, SEEK_END); - - m_size = std::ftell(fp); - - m_buffer = new char[m_size]; - - std::rewind(fp); - - if (std::fread(m_buffer, m_size, 1, fp) != 1) - FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); - - std::fclose(fp); - - m_pos = 0; - m_lineNum = 1; -} - -AsmFile::~AsmFile() -{ - delete[] m_buffer; -} - -IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path) -{ - // At the beginning of each loop iteration, the current file position - // should be at the start of a line or at the end of the file. - for (;;) - { - SkipTabsAndSpaces(); - - IncDirectiveType incDirectiveType = IncDirectiveType::None; - - char c = PeekChar(); - if (c == '.' || c == '#') - { - m_pos++; - - if (MatchIncDirective("incbin", path)) - incDirectiveType = IncDirectiveType::Incbin; - else if (MatchIncDirective("include", path)) - incDirectiveType = IncDirectiveType::Include; - } - - for (;;) - { - int c = GetChar(); - - if (c == -1) - return incDirectiveType; - - if (c == ';') - { - SkipEndOfLineComment(); - break; - } - else if (c == '/' && PeekChar() == '*') - { - m_pos++; - SkipMultiLineComment(); - } - else if (c == '"') - { - SkipString(); - } - else if (c == '\n') - { - break; - } - } - - if (incDirectiveType != IncDirectiveType::None) - return incDirectiveType; - } -} - -std::string AsmFile::ReadPath() -{ - int length = 0; - int startPos = m_pos; - - for (;;) - { - int c = GetChar(); - - if (c == '"') - break; - - if (c == -1) - FATAL_INPUT_ERROR("unexpected EOF in include string\n"); - - if (c == 0) - FATAL_INPUT_ERROR("unexpected NUL character in include string\n"); - - if (c == '\n') - FATAL_INPUT_ERROR("unexpected end of line character in include string\n"); - - // Don't bother allowing any escape sequences. - if (c == '\\') - FATAL_INPUT_ERROR("unexpected escape in include string\n"); - - length++; - - if (length > SCANINC_MAX_PATH) - FATAL_INPUT_ERROR("path is too long"); - } - - return std::string(m_buffer + startPos, length); -} - -void AsmFile::SkipEndOfLineComment() -{ - int c; - - do - { - c = GetChar(); - } while (c != -1 && c != '\n'); -} - -void AsmFile::SkipMultiLineComment() -{ - for (;;) - { - int c = GetChar(); - - if (c == '*') - { - if (PeekChar() == '/') - { - m_pos++; - return; - } - } - else if (c == -1) - { - return; - } - } -} - -void AsmFile::SkipString() -{ - for (;;) - { - int c = GetChar(); - - if (c == '"') - break; - - if (c == -1) - FATAL_INPUT_ERROR("unexpected EOF in string\n"); - - if (c == '\\') - { - c = GetChar(); - } - } -} +// Copyright(c) 2015-2017 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <string>
+#include "scaninc.h"
+#include "asm_file.h"
+
+AsmFile::AsmFile(std::string path)
+{
+ m_path = path;
+
+ FILE *fp = std::fopen(path.c_str(), "rb");
+
+ if (fp == NULL)
+ FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str());
+
+ std::fseek(fp, 0, SEEK_END);
+
+ m_size = std::ftell(fp);
+
+ m_buffer = new char[m_size];
+
+ std::rewind(fp);
+
+ if (std::fread(m_buffer, m_size, 1, fp) != 1)
+ FATAL_ERROR("Failed to read \"%s\".\n", path.c_str());
+
+ std::fclose(fp);
+
+ m_pos = 0;
+ m_lineNum = 1;
+}
+
+AsmFile::~AsmFile()
+{
+ delete[] m_buffer;
+}
+
+IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path)
+{
+ // At the beginning of each loop iteration, the current file position
+ // should be at the start of a line or at the end of the file.
+ for (;;)
+ {
+ SkipTabsAndSpaces();
+
+ IncDirectiveType incDirectiveType = IncDirectiveType::None;
+
+ char c = PeekChar();
+ if (c == '.' || c == '#')
+ {
+ m_pos++;
+
+ if (MatchIncDirective("incbin", path))
+ incDirectiveType = IncDirectiveType::Incbin;
+ else if (MatchIncDirective("include", path))
+ incDirectiveType = IncDirectiveType::Include;
+ }
+
+ for (;;)
+ {
+ int c = GetChar();
+
+ if (c == -1)
+ return incDirectiveType;
+
+ if (c == ';')
+ {
+ SkipEndOfLineComment();
+ break;
+ }
+ else if (c == '/' && PeekChar() == '*')
+ {
+ m_pos++;
+ SkipMultiLineComment();
+ }
+ else if (c == '"')
+ {
+ SkipString();
+ }
+ else if (c == '\n')
+ {
+ break;
+ }
+ }
+
+ if (incDirectiveType != IncDirectiveType::None)
+ return incDirectiveType;
+ }
+}
+
+std::string AsmFile::ReadPath()
+{
+ int length = 0;
+ int startPos = m_pos;
+
+ for (;;)
+ {
+ int c = GetChar();
+
+ if (c == '"')
+ break;
+
+ if (c == -1)
+ FATAL_INPUT_ERROR("unexpected EOF in include string\n");
+
+ if (c == 0)
+ FATAL_INPUT_ERROR("unexpected NUL character in include string\n");
+
+ if (c == '\n')
+ FATAL_INPUT_ERROR("unexpected end of line character in include string\n");
+
+ // Don't bother allowing any escape sequences.
+ if (c == '\\')
+ FATAL_INPUT_ERROR("unexpected escape in include string\n");
+
+ length++;
+
+ if (length > SCANINC_MAX_PATH)
+ FATAL_INPUT_ERROR("path is too long");
+ }
+
+ return std::string(m_buffer + startPos, length);
+}
+
+void AsmFile::SkipEndOfLineComment()
+{
+ int c;
+
+ do
+ {
+ c = GetChar();
+ } while (c != -1 && c != '\n');
+}
+
+void AsmFile::SkipMultiLineComment()
+{
+ for (;;)
+ {
+ int c = GetChar();
+
+ if (c == '*')
+ {
+ if (PeekChar() == '/')
+ {
+ m_pos++;
+ return;
+ }
+ }
+ else if (c == -1)
+ {
+ return;
+ }
+ }
+}
+
+void AsmFile::SkipString()
+{
+ for (;;)
+ {
+ int c = GetChar();
+
+ if (c == '"')
+ break;
+
+ if (c == -1)
+ FATAL_INPUT_ERROR("unexpected EOF in string\n");
+
+ if (c == '\\')
+ {
+ c = GetChar();
+ }
+ }
+}
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