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authorAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
committerAsh Wolf <ninji@wuffs.org>2023-01-26 11:30:47 +0000
commit094b96ca1df4a035b5f93c351f773306c0241f3f (patch)
tree95ce05e3ebe816c7ee7996206bb37ea17d8ca33c /compiler_and_linker/FrontEnd/C/CPreprocess.c
parentfc0c4c0df7b583b55a08317cf1ef6a71d27c0440 (diff)
downloadMWCC-main.tar.gz
MWCC-main.zip
move lots of source files around to match their actual placement in the original treemain
Diffstat (limited to 'compiler_and_linker/FrontEnd/C/CPreprocess.c')
-rw-r--r--compiler_and_linker/FrontEnd/C/CPreprocess.c676
1 files changed, 676 insertions, 0 deletions
diff --git a/compiler_and_linker/FrontEnd/C/CPreprocess.c b/compiler_and_linker/FrontEnd/C/CPreprocess.c
new file mode 100644
index 0000000..4e6b3c0
--- /dev/null
+++ b/compiler_and_linker/FrontEnd/C/CPreprocess.c
@@ -0,0 +1,676 @@
+#include "compiler/CPreprocess.h"
+#include "compiler/CError.h"
+#include "compiler/CMachine.h"
+#include "compiler/CParser.h"
+#include "compiler/CPrep.h"
+#include "compiler/CPrepTokenizer.h"
+#include "compiler/CompilerTools.h"
+#include "cos.h"
+
+void CPrep_PreprocessDumpNewLine(void) {
+ if (copts.line_prepdump && pplist.data && filesp >= 0)
+ AppendGListData(&pplist, "\r", 1);
+}
+
+void CPrep_PreprocessDumpFileInfo(Boolean flag) {
+ char linebuf[512];
+ int size;
+ SInt16 tmp16;
+ SInt32 tmp32;
+ Str255 filename;
+
+ if (pplist.data && filesp >= 0) {
+ if (nlflag && flag && pplist.size > 0)
+ AppendGListName(&pplist, "\r");
+
+ if (copts.line_prepdump)
+ size = sprintf(linebuf, "#line % " PRId32 "\t\"", linenumber);
+ else
+ size = sprintf(linebuf, "/* #line % " PRId32 "\t\"", linenumber);
+ AppendGListData(&pplist, linebuf, size);
+
+ if (copts.fullpath_prepdump) {
+ if (prep_file->nameNode) {
+ AppendGListData(&pplist, prep_file->nameNode->name, strlen(prep_file->nameNode->name));
+ } else {
+ COS_FileGetPathName(linebuf, &prep_file->textfile, &tmp32);
+ AppendGListData(&pplist, linebuf, strlen(linebuf));
+ }
+ } else {
+ if (prep_file->nameNode) {
+ char *work = prep_file->nameNode->name + strlen(prep_file->nameNode->name);
+ while (work > prep_file->nameNode->name && !strchr("/\\:", work[-1]))
+ work--;
+
+ AppendGListData(&pplist, work, strlen(work));
+ } else {
+ COS_FileGetFSSpecInfo(&prep_file->textfile, &tmp16, &tmp32, filename);
+ AppendGListData(&pplist, &filename[1], filename[0]);
+ }
+ }
+
+ size = sprintf(linebuf, "\"\t/* stack depth % " PRId32 " */", filesp);
+ AppendGListData(&pplist, linebuf, size);
+
+ if (copts.line_prepdump && flag)
+ CPrep_PreprocessDumpNewLine();
+
+ nlflag = 1;
+ }
+}
+
+static void CPrep_DumpWString(UInt16 *str, short len) {
+ int divisor;
+ int i;
+
+ while (len--) {
+ if (*str < 32) {
+ AppendGListByte(&pplist, '\\');
+ switch (*str) {
+ case 7:
+ AppendGListByte(&pplist, 'a');
+ break;
+ case 8:
+ AppendGListByte(&pplist, 'b');
+ break;
+ case 27:
+ AppendGListByte(&pplist, 'e');
+ break;
+ case 12:
+ AppendGListByte(&pplist, 'f');
+ break;
+ case 10:
+ AppendGListByte(&pplist, 'n');
+ break;
+ case 13:
+ AppendGListByte(&pplist, 'r');
+ break;
+ case 9:
+ AppendGListByte(&pplist, 't');
+ break;
+ case 11:
+ AppendGListByte(&pplist, 'v');
+ break;
+ default:
+ if (*str >= 8)
+ AppendGListByte(&pplist, '0' + (*str / 8));
+ AppendGListByte(&pplist, '0' + (*str % 8));
+ }
+ } else if (*str > 255) {
+ AppendGListByte(&pplist, '\\');
+ AppendGListByte(&pplist, 'x');
+
+ divisor = 0x1000;
+ for (i = 0; i < 4; i++) {
+ AppendGListByte(&pplist, "0123456789ABCDEF"[(*str / divisor) % 16]);
+ divisor /= 16;
+ }
+ } else {
+ switch (*str) {
+ case '"':
+ case '\\':
+ AppendGListByte(&pplist, '\\');
+ default:
+ AppendGListByte(&pplist, *str);
+ }
+ }
+ str++;
+ }
+}
+
+static void CPrep_DumpString(UInt8 *str, short len) {
+ while (len--) {
+ if (*str < 32) {
+ AppendGListByte(&pplist, '\\');
+ switch (*str) {
+ case 7:
+ AppendGListByte(&pplist, 'a');
+ break;
+ case 8:
+ AppendGListByte(&pplist, 'b');
+ break;
+ case 12:
+ AppendGListByte(&pplist, 'f');
+ break;
+ case 10:
+ AppendGListByte(&pplist, 'n');
+ break;
+ case 13:
+ AppendGListByte(&pplist, 'r');
+ break;
+ case 9:
+ AppendGListByte(&pplist, 't');
+ break;
+ case 11:
+ AppendGListByte(&pplist, 'v');
+ break;
+ default:
+ if (*str >= 8)
+ AppendGListByte(&pplist, '0' + (*str / 8));
+ AppendGListByte(&pplist, '0' + (*str % 8));
+ }
+ } else {
+ switch (*str) {
+ case '"':
+ case '\\':
+ AppendGListByte(&pplist, '\\');
+ default:
+ AppendGListByte(&pplist, *str);
+ }
+ }
+ str++;
+ }
+}
+
+void CPrep_Preprocess(void) {
+ short innertoken;
+ short token;
+ char startToken;
+ char endToken;
+ int depth;
+ Boolean save_asmpoundcomment; // r16
+ Boolean save_cplusplus; // r15
+ char *p;
+
+ startToken = 0;
+ depth = 0;
+
+ if (InitGList(&pplist, 10000))
+ CError_NoMem();
+
+ nlflag = 0;
+ spaceskip = 0;
+
+ if ((token = lex())) {
+ do {
+ if (nlflag) {
+ if (!copts.line_prepdump)
+ AppendGListData(&pplist, "\r", 1);
+ } else {
+ if (spaceskip)
+ AppendGListByte(&pplist, ' ');
+ }
+
+ while (1) {
+ switch ((innertoken = token)) {
+ case '(':
+ case ')':
+ case '{':
+ case '}':
+ AppendGListByte(&pplist, token);
+ if (cprep_nostring) {
+ if (innertoken == startToken) {
+ depth++;
+ } else if (innertoken == endToken) {
+ if (--depth == 0) {
+ cprep_nostring = 0;
+ in_assembler = 0;
+ copts.cplusplus = save_cplusplus;
+ copts.asmpoundcomment = save_asmpoundcomment;
+ }
+ }
+ }
+ break;
+
+ case TK_INTCONST:
+ case TK_FLOATCONST:
+ if (tokenstacklevel > 0)
+ p = macropos;
+ else
+ p = prep_file_start + ts_current[-1].tokenoffset;
+ AppendGListData(&pplist, p, pos - p);
+ break;
+
+ case TK_IDENTIFIER:
+ AppendGListData(&pplist, tkidentifier->name, strlen(tkidentifier->name));
+ break;
+
+ case TK_AUTO:
+ AppendGListData(&pplist, "auto", 4);
+ break;
+ case TK_REGISTER:
+ AppendGListData(&pplist, "register", 8);
+ break;
+ case TK_STATIC:
+ AppendGListData(&pplist, "static", 6);
+ break;
+ case TK_EXTERN:
+ AppendGListData(&pplist, "extern", 6);
+ break;
+ case TK_TYPEDEF:
+ AppendGListData(&pplist, "typedef", 7);
+ break;
+ case TK_INLINE:
+ AppendGListData(&pplist, "inline", 6);
+ break;
+ case TK_VOID:
+ AppendGListData(&pplist, "void", 4);
+ break;
+ case TK_CHAR:
+ AppendGListData(&pplist, "char", 4);
+ break;
+ case TK_SHORT:
+ AppendGListData(&pplist, "short", 5);
+ break;
+ case TK_INT:
+ AppendGListData(&pplist, "int", 3);
+ break;
+ case TK_LONG:
+ AppendGListData(&pplist, "long", 4);
+ break;
+ case TK_FLOAT:
+ AppendGListData(&pplist, "float", 5);
+ break;
+ case TK_DOUBLE:
+ AppendGListData(&pplist, "double", 6);
+ break;
+ case TK_SIGNED:
+ AppendGListData(&pplist, "signed", 6);
+ break;
+ case TK_UNSIGNED:
+ AppendGListData(&pplist, "unsigned", 8);
+ break;
+ case TK_STRUCT:
+ AppendGListData(&pplist, "struct", 6);
+ break;
+ case TK_UNION:
+ AppendGListData(&pplist, "union", 5);
+ break;
+ case TK_ENUM:
+ AppendGListData(&pplist, "enum", 4);
+ break;
+ case TK_CLASS:
+ AppendGListData(&pplist, "class", 5);
+ break;
+ case TK_CONST:
+ AppendGListData(&pplist, "const", 5);
+ break;
+ case TK_VOLATILE:
+ AppendGListData(&pplist, "volatile", 8);
+ break;
+ case TK_PASCAL:
+ AppendGListData(&pplist, "pascal", 6);
+ break;
+ case TK_UU_FAR:
+ AppendGListData(&pplist, "__far", 5);
+ break;
+ case TK_ONEWAY:
+ AppendGListData(&pplist, "oneway", 6);
+ break;
+ case TK_IN:
+ AppendGListData(&pplist, "in", 2);
+ break;
+ case TK_OUT:
+ AppendGListData(&pplist, "out", 3);
+ break;
+ case TK_INOUT:
+ AppendGListData(&pplist, "inout", 5);
+ break;
+ case TK_BYCOPY:
+ AppendGListData(&pplist, "bycopy", 6);
+ break;
+ case TK_BYREF:
+ AppendGListData(&pplist, "byref", 5);
+ break;
+ case TK_ASM:
+ AppendGListData(&pplist, "asm", 3);
+ endToken = 0;
+ startToken = 0;
+ AppendGListByte(&pplist, ' ');
+ token = lex();
+ if (token == TK_VOLATILE || (token == TK_IDENTIFIER && !strcmp(tkidentifier->name, "__volatile__"))) {
+ AppendGListData(&pplist, "volatile", 8);
+ token = lex();
+ }
+ if (token) {
+ if (token < ' ' || token > 255)
+ continue;
+ AppendGListByte(&pplist, token);
+
+ if (token == '(') {
+ startToken = '(';
+ endToken = ')';
+ } else if (token == '{') {
+ startToken = '{';
+ endToken = '}';
+ } else {
+ continue;
+ }
+
+ cprep_nostring = 1;
+ in_assembler = 1;
+ depth = 1;
+ save_asmpoundcomment = copts.asmpoundcomment;
+ save_cplusplus = copts.cplusplus;
+
+ token = lex();
+ if (token == '"') {
+ AppendGListByte(&pplist, token);
+ copts.cplusplus = 0;
+ copts.asmpoundcomment = 1;
+ break;
+ } else if (token == 0) {
+ break;
+ }
+ continue;
+ }
+ break;
+
+ case TK_CASE:
+ AppendGListData(&pplist, "case", 4);
+ break;
+ case TK_DEFAULT:
+ AppendGListData(&pplist, "default", 7);
+ break;
+ case TK_IF:
+ AppendGListData(&pplist, "if", 2);
+ break;
+ case TK_ELSE:
+ AppendGListData(&pplist, "else", 4);
+ break;
+ case TK_SWITCH:
+ AppendGListData(&pplist, "switch", 6);
+ break;
+ case TK_WHILE:
+ AppendGListData(&pplist, "while", 5);
+ break;
+ case TK_DO:
+ AppendGListData(&pplist, "do", 2);
+ break;
+ case TK_FOR:
+ AppendGListData(&pplist, "for", 3);
+ break;
+ case TK_GOTO:
+ AppendGListData(&pplist, "goto", 4);
+ break;
+ case TK_CONTINUE:
+ AppendGListData(&pplist, "continue", 8);
+ break;
+ case TK_BREAK:
+ AppendGListData(&pplist, "break", 5);
+ break;
+ case TK_RETURN:
+ AppendGListData(&pplist, "return", 6);
+ break;
+ case TK_SIZEOF:
+ AppendGListData(&pplist, "sizeof", 6);
+ break;
+ case TK_CATCH:
+ AppendGListData(&pplist, "catch", 5);
+ break;
+ case TK_DELETE:
+ AppendGListData(&pplist, "delete", 6);
+ break;
+ case TK_FRIEND:
+ AppendGListData(&pplist, "friend", 6);
+ break;
+ case TK_NEW:
+ AppendGListData(&pplist, "new", 3);
+ break;
+ case TK_OPERATOR:
+ AppendGListData(&pplist, "operator", 8);
+ break;
+ case TK_PRIVATE:
+ AppendGListData(&pplist, "private", 7);
+ break;
+ case TK_PROTECTED:
+ AppendGListData(&pplist, "protected", 9);
+ break;
+ case TK_PUBLIC:
+ AppendGListData(&pplist, "public", 6);
+ break;
+ case TK_TEMPLATE:
+ AppendGListData(&pplist, "template", 8);
+ break;
+ case TK_THIS:
+ AppendGListData(&pplist, "this", 4);
+ break;
+ case TK_THROW:
+ AppendGListData(&pplist, "throw", 5);
+ break;
+ case TK_TRY:
+ AppendGListData(&pplist, "try", 3);
+ break;
+ case TK_VIRTUAL:
+ AppendGListData(&pplist, "virtual", 7);
+ break;
+ case TK_INHERITED:
+ AppendGListData(&pplist, "inherited", 9);
+ break;
+ case TK_CONST_CAST:
+ AppendGListData(&pplist, "const_cast", 10);
+ break;
+ case TK_DYNAMIC_CAST:
+ AppendGListData(&pplist, "dynamic_cast", 12);
+ break;
+ case TK_EXPLICIT:
+ AppendGListData(&pplist, "explicit", 8);
+ break;
+ case TK_MUTABLE:
+ AppendGListData(&pplist, "mutable", 7);
+ break;
+ case TK_NAMESPACE:
+ AppendGListData(&pplist, "namespace", 9);
+ break;
+ case TK_REINTERPRET_CAST:
+ AppendGListData(&pplist, "reinterpret_cast", 16);
+ break;
+ case TK_STATIC_CAST:
+ AppendGListData(&pplist, "static_cast", 11);
+ break;
+ case TK_USING:
+ AppendGListData(&pplist, "using", 5);
+ break;
+ case TK_WCHAR_T:
+ AppendGListData(&pplist, "wchar_t", 7);
+ break;
+ case TK_TYPENAME:
+ AppendGListData(&pplist, "typename", 8);
+ break;
+ case TK_TRUE:
+ AppendGListData(&pplist, "true", 4);
+ break;
+ case TK_FALSE:
+ AppendGListData(&pplist, "false", 5);
+ break;
+ case TK_TYPEID:
+ AppendGListData(&pplist, "typeid", 6);
+ break;
+ case TK_EXPORT:
+ AppendGListData(&pplist, "export", 6);
+ break;
+ case TK_UU_STDCALL:
+ AppendGListData(&pplist, "__stdcall", 9);
+ break;
+ case TK_UU_CDECL:
+ AppendGListData(&pplist, "__cdecl", 7);
+ break;
+ case TK_UU_FASTCALL:
+ AppendGListData(&pplist, "__fastcall", 10);
+ break;
+ case TK_UU_DECLSPEC:
+ AppendGListData(&pplist, "__declspec", 10);
+ break;
+ case TK_MULT_ASSIGN:
+ AppendGListData(&pplist, "*=", 2);
+ break;
+ case TK_DIV_ASSIGN:
+ AppendGListData(&pplist, "/=", 2);
+ break;
+ case TK_MOD_ASSIGN:
+ AppendGListData(&pplist, "%=", 2);
+ break;
+ case TK_ADD_ASSIGN:
+ AppendGListData(&pplist, "+=", 2);
+ break;
+ case TK_SUB_ASSIGN:
+ AppendGListData(&pplist, "-=", 2);
+ break;
+ case TK_SHL_ASSIGN:
+ AppendGListData(&pplist, "<<=", 3);
+ break;
+ case TK_SHR_ASSIGN:
+ AppendGListData(&pplist, ">>=", 3);
+ break;
+ case TK_AND_ASSIGN:
+ AppendGListData(&pplist, "&=", 2);
+ break;
+ case TK_XOR_ASSIGN:
+ AppendGListData(&pplist, "^=", 2);
+ break;
+ case TK_OR_ASSIGN:
+ AppendGListData(&pplist, "|=", 2);
+ break;
+ case TK_LOGICAL_OR:
+ AppendGListData(&pplist, "||", 2);
+ break;
+ case TK_LOGICAL_AND:
+ AppendGListData(&pplist, "&&", 2);
+ break;
+ case TK_LOGICAL_EQ:
+ AppendGListData(&pplist, "==", 2);
+ break;
+ case TK_LOGICAL_NE:
+ AppendGListData(&pplist, "!=", 2);
+ break;
+ case TK_LESS_EQUAL:
+ AppendGListData(&pplist, "<=", 2);
+ break;
+ case TK_GREATER_EQUAL:
+ AppendGListData(&pplist, ">=", 2);
+ break;
+ case TK_SHL:
+ AppendGListData(&pplist, "<<", 2);
+ break;
+ case TK_SHR:
+ AppendGListData(&pplist, ">>", 2);
+ break;
+ case TK_INCREMENT:
+ AppendGListData(&pplist, "++", 2);
+ break;
+ case TK_DECREMENT:
+ AppendGListData(&pplist, "--", 2);
+ break;
+ case TK_ARROW:
+ AppendGListData(&pplist, "->", 2);
+ break;
+ case TK_ELLIPSIS:
+ AppendGListData(&pplist, "...", 3);
+ break;
+ case TK_DOT_STAR:
+ AppendGListData(&pplist, ".*", 2);
+ break;
+ case TK_ARROW_STAR:
+ AppendGListData(&pplist, "->*", 3);
+ break;
+ case TK_COLON_COLON:
+ AppendGListData(&pplist, "::", 2);
+ break;
+ case TK_AT_INTERFACE:
+ AppendGListData(&pplist, "@interface", 10);
+ break;
+ case TK_AT_IMPLEMENTATION:
+ AppendGListData(&pplist, "@implementation", 15);
+ break;
+ case TK_AT_PROTOCOL:
+ AppendGListData(&pplist, "@protocol", 9);
+ break;
+ case TK_AT_END:
+ AppendGListData(&pplist, "@end", 4);
+ break;
+ case TK_AT_PRIVATE:
+ AppendGListData(&pplist, "@private", 8);
+ break;
+ case TK_AT_PROTECTED:
+ AppendGListData(&pplist, "@protected", 10);
+ break;
+ case TK_AT_PUBLIC:
+ AppendGListData(&pplist, "@public", 7);
+ break;
+ case TK_AT_CLASS:
+ AppendGListData(&pplist, "@class", 6);
+ break;
+ case TK_AT_SELECTOR:
+ AppendGListData(&pplist, "@selector", 9);
+ break;
+ case TK_AT_ENCODE:
+ AppendGListData(&pplist, "@encode", 7);
+ break;
+ case TK_AT_DEFS:
+ AppendGListData(&pplist, "@defs", 5);
+ break;
+ case TK_SELF:
+ AppendGListData(&pplist, "self", 4);
+ break;
+ case TK_SUPER:
+ AppendGListData(&pplist, "super", 5);
+ break;
+ case TK_BOOL:
+ if (!copts.cplusplus && copts.c9x)
+ AppendGListData(&pplist, "_Bool", 5);
+ else
+ AppendGListData(&pplist, "bool", 4);
+ break;
+ case TK_RESTRICT:
+ if (copts.c9x)
+ AppendGListData(&pplist, "restrict", 8);
+ else
+ AppendGListData(&pplist, "__restrict", 10);
+ break;
+ case TK_UU_VECTOR:
+ AppendGListData(&pplist, "__vector", 8);
+ break;
+ case TK_UU_TYPEOF_UU:
+ AppendGListData(&pplist, "__typeof__", 10);
+ break;
+ case TK_UU_ATTRIBUTE_UU:
+ AppendGListData(&pplist, "__attribute__", 13);
+ break;
+ case TK_UU_ALIGNOF_UU:
+ AppendGListData(&pplist, "__alignof__", 11);
+ break;
+ case TK_UU_UUIDOF:
+ AppendGListData(&pplist, "__uuidof", 8);
+ break;
+ case TK_U_COMPLEX:
+ AppendGListData(&pplist, "_Complex", 8);
+ break;
+ case TK_U_IMAGINARY:
+ AppendGListData(&pplist, "_Imaginary", 10);
+ break;
+
+ case TK_STRING:
+ if (ispascalstring) {
+ AppendGListData(&pplist, "\"\\p", 3);
+ CPrep_DumpString((UInt8 *) tkstring + 1, tksize - 1);
+ } else {
+ AppendGListByte(&pplist, '"');
+ CPrep_DumpString((UInt8 *) tkstring, tksize - 1);
+ }
+ AppendGListByte(&pplist, '"');
+ break;
+
+ case TK_STRING_WIDE:
+ AppendGListData(&pplist, "L\"", 2);
+ CPrep_DumpWString((UInt16 *) tkstring, (tksize / stwchar.size) - 1);
+ AppendGListByte(&pplist, '"');
+ break;
+
+ default:
+ if (token >= 32 && token <= 255)
+ AppendGListByte(&pplist, token);
+ else
+ CError_FATAL(563);
+ }
+ break;
+ }
+
+ CPrep_TokenStreamFlush();
+ nlflag = 0;
+ spaceskip = 0;
+ } while ((token = lex()));
+ }
+
+ AppendGListByte(&pplist, 0);
+ COS_ResizeHandle(pplist.data, pplist.size);
+}