--- /dev/null
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include <php_psi_stdinc.h>
+
+#include "parser.h"
+#include "plist.h"
+
+/*!max:re2c*/
+#ifndef YYMAXFILL
+# define YYMAXFILL 256
+#endif
+
+size_t psi_parser_maxfill(void) {
+ return YYMAXFILL;
+}
+
+#define NEWLINE() \
+ eol = cur; \
+ ++I->lines
+
+#define NEWTOKEN(t) do { \
+ if (t == PSI_T_COMMENT || t == PSI_T_WHITESPACE) { \
+ token = psi_token_init(t, "", 0, tok - eol + 1, I->lines, I->file); \
+ } else { \
+ token = psi_token_init(t, tok, cur - tok, tok - eol + 1, I->lines, I->file); \
+ } \
+ tokens = psi_plist_add(tokens, &token); \
+ PSI_DEBUG_PRINT(P, "PSI: scanned < "); \
+ PSI_DEBUG_DUMP(P, psi_token_dump, token); \
+} while(0)
+
+#define CHECKEOF() if (cur >= lim - YYMAXFILL) goto done
+
+struct psi_plist *psi_parser_scan(struct psi_parser *P, struct psi_parser_input *I)
+{
+ struct psi_plist *tokens;
+ struct psi_token *token;
+ const char *tok, *cur, *lim, *mrk, *eol, *ctxmrk;
+ unsigned parens;
+ bool escaped;
+ token_t char_width;
+
+ PSI_DEBUG_PRINT(P, "PSI: scanning %s\n", I->file->val);
+
+ tok = mrk = eol = cur = I->buffer;
+ lim = I->buffer + I->length + YYMAXFILL;
+ I->lines = 1;
+ tokens = psi_plist_init((psi_plist_dtor) psi_token_free);
+
+ start: ;
+ char_width = 1;
+ ctxmrk = NULL;
+ tok = cur;
+
+ (void) ctxmrk;
+
+ /*!re2c
+
+ re2c:indent:top = 2;
+ re2c:define:YYCTYPE = "unsigned char";
+ re2c:define:YYCURSOR = cur;
+ re2c:define:YYLIMIT = lim;
+ re2c:define:YYMARKER = mrk;
+ re2c:define:YYCTXMARKER = ctxmrk;
+ re2c:define:YYFILL = "CHECKEOF();";
+ re2c:yyfill:parameter = 0;
+
+ W = [a-zA-Z0-9_\x80-\xff];
+ SP = [ \t\f];
+ EOL = [\r\n];
+ NAME = [a-zA-Z_\x80-\xff] W*;
+ NSNAME = (NAME)? ("\\" NAME)+;
+ DOLLAR_NAME = '$' W+;
+ CPP_HEADER = "<" [-._/a-zA-Z0-9]+ ">";
+ CPP_ATTRIBUTE = "__attribute__" SP* "((";
+
+ DEC_CONST = [1-9] [0-9]*;
+ OCT_CONST = "0" [0-7]*;
+ HEX_CONST = '0x' [0-9a-fA-F]+;
+ INT_CONST = (DEC_CONST | OCT_CONST | HEX_CONST);
+
+ FLT_HEX_CONST = HEX_CONST ("." [0-9a-fA-F]*)? 'p' [+-]? [0-9]+;
+ FLT_DEC_NUM = "0" | DEC_CONST;
+ FLT_DEC_CONST = (FLT_DEC_NUM ("." [0-9]*)? 'e' [+-]? [0-9]+) | (FLT_DEC_NUM "." [0-9]*) | ("." [0-9]+);
+ FLT_CONST = (FLT_DEC_CONST | FLT_HEX_CONST);
+
+ INT_CONST { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT; goto start; }
+ INT_CONST / 'u' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT | PSI_NUMBER_U; cur += 1; goto start; }
+ INT_CONST / 'l' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT | PSI_NUMBER_L; cur += 1; goto start; }
+ INT_CONST / ('lu' | 'ul') { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT | PSI_NUMBER_UL; cur += 2; goto start; }
+ INT_CONST / ('llu' | 'ull') { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_INT | PSI_NUMBER_ULL; cur += 3; goto start; }
+
+ FLT_CONST { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT; goto start; }
+ FLT_CONST / 'f' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_F; cur += 1; goto start; }
+ FLT_CONST / 'l' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_L; cur += 1; goto start; }
+ FLT_CONST / 'df' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_DF; cur += 2; goto start; }
+ FLT_CONST / 'dd' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_DD; cur += 2; goto start; }
+ FLT_CONST / 'dl' { NEWTOKEN(PSI_T_NUMBER); token->flags = PSI_NUMBER_FLT | PSI_NUMBER_DL; cur += 2; goto start; }
+
+ "'" { escaped = false; tok += 1; goto character; }
+ "\"" { escaped = false; tok += 1; goto string; }
+ "u8" / "\"" { char_width = 1; }
+ "u" / ['"] { char_width = 2; }
+ "U" / ['"] { char_width = 4; }
+ "L" / ['"] { char_width = sizeof(wchar_t)/8; }
+
+ "/*" { goto comment; }
+ "//" { goto comment_sl; }
+
+ "##" { NEWTOKEN(PSI_T_CPP_PASTE); goto start; }
+ "#" { NEWTOKEN(PSI_T_HASH); goto start; }
+ "(" { NEWTOKEN(PSI_T_LPAREN); goto start; }
+ ")" { NEWTOKEN(PSI_T_RPAREN); goto start; }
+ ";" { NEWTOKEN(PSI_T_EOS); goto start; }
+ "," { NEWTOKEN(PSI_T_COMMA); goto start; }
+ ":" { NEWTOKEN(PSI_T_COLON); goto start; }
+ "{" { NEWTOKEN(PSI_T_LBRACE); goto start; }
+ "}" { NEWTOKEN(PSI_T_RBRACE); goto start; }
+ "[" { NEWTOKEN(PSI_T_LBRACKET); goto start; }
+ "]" { NEWTOKEN(PSI_T_RBRACKET); goto start; }
+ "!=" { NEWTOKEN(PSI_T_CMP_NE); goto start; }
+ "==" { NEWTOKEN(PSI_T_CMP_EQ); goto start; }
+ "&&" { NEWTOKEN(PSI_T_AND); goto start; }
+ "||" { NEWTOKEN(PSI_T_OR); goto start; }
+ "=" { NEWTOKEN(PSI_T_EQUALS); goto start; }
+ "*" { NEWTOKEN(PSI_T_ASTERISK); goto start; }
+ "~" { NEWTOKEN(PSI_T_TILDE); goto start; }
+ "!" { NEWTOKEN(PSI_T_NOT); goto start; }
+ "%" { NEWTOKEN(PSI_T_MODULO); goto start; }
+ "&" { NEWTOKEN(PSI_T_AMPERSAND); goto start; }
+ "+" { NEWTOKEN(PSI_T_PLUS); goto start; }
+ "-" { NEWTOKEN(PSI_T_MINUS); goto start; }
+ "/" { NEWTOKEN(PSI_T_SLASH); goto start; }
+ "\\" { NEWTOKEN(PSI_T_BSLASH); goto start; }
+ "|" { NEWTOKEN(PSI_T_PIPE); goto start; }
+ "^" { NEWTOKEN(PSI_T_CARET); goto start; }
+ "<<" { NEWTOKEN(PSI_T_LSHIFT); goto start; }
+ ">>" { NEWTOKEN(PSI_T_RSHIFT); goto start; }
+ "<=" { NEWTOKEN(PSI_T_CMP_LE); goto start; }
+ ">=" { NEWTOKEN(PSI_T_CMP_GE); goto start; }
+ "<" { NEWTOKEN(PSI_T_LCHEVR); goto start; }
+ ">" { NEWTOKEN(PSI_T_RCHEVR); goto start; }
+ "." { NEWTOKEN(PSI_T_PERIOD); goto start; }
+ "..." { NEWTOKEN(PSI_T_ELLIPSIS); goto start; }
+ "?" { NEWTOKEN(PSI_T_IIF); goto start; }
+ "pragma" { NEWTOKEN(PSI_T_PRAGMA); goto start; }
+ "pragma" W+ "once" { NEWTOKEN(PSI_T_PRAGMA_ONCE); goto start; }
+ "__"? "inline" { NEWTOKEN(PSI_T_CPP_INLINE); goto start; }
+ "__restrict" { NEWTOKEN(PSI_T_CPP_RESTRICT); goto start; }
+ "__extension__" { NEWTOKEN(PSI_T_CPP_EXTENSION); goto start; }
+ "__asm" ("__")? { NEWTOKEN(PSI_T_CPP_ASM); goto start; }
+ "volatile" { NEWTOKEN(PSI_T_VOLATILE); goto start; }
+ "sizeof" { NEWTOKEN(PSI_T_SIZEOF); goto start; }
+ "line" { NEWTOKEN(PSI_T_LINE); goto start; }
+ "typedef" { NEWTOKEN(PSI_T_TYPEDEF); goto start; }
+ "struct" { NEWTOKEN(PSI_T_STRUCT); goto start; }
+ "union" { NEWTOKEN(PSI_T_UNION); goto start; }
+ "enum" { NEWTOKEN(PSI_T_ENUM); goto start; }
+ "const" { NEWTOKEN(PSI_T_CONST); goto start; }
+ "void" { NEWTOKEN(PSI_T_VOID); goto start; }
+ "bool" { NEWTOKEN(PSI_T_BOOL); goto start; }
+ "char" { NEWTOKEN(PSI_T_CHAR); goto start; }
+ "short" { NEWTOKEN(PSI_T_SHORT); goto start; }
+ "int" { NEWTOKEN(PSI_T_INT); goto start; }
+ "long" { NEWTOKEN(PSI_T_LONG); goto start; }
+ "float" { NEWTOKEN(PSI_T_FLOAT); goto start; }
+ "double" { NEWTOKEN(PSI_T_DOUBLE); goto start; }
+ "unsigned" { NEWTOKEN(PSI_T_UNSIGNED); goto start; }
+ "signed" { NEWTOKEN(PSI_T_SIGNED); goto start; }
+ 'IF' { NEWTOKEN(PSI_T_IF); goto start; }
+ 'IFDEF' { NEWTOKEN(PSI_T_IFDEF); goto start; }
+ 'IFNDEF' { NEWTOKEN(PSI_T_IFNDEF); goto start; }
+ 'ELSE' { NEWTOKEN(PSI_T_ELSE); goto start; }
+ 'ELIF' { NEWTOKEN(PSI_T_ELIF); goto start; }
+ 'ENDIF' { NEWTOKEN(PSI_T_ENDIF); goto start; }
+ 'DEFINE' { NEWTOKEN(PSI_T_DEFINE); goto start; }
+ 'DEFINED' { NEWTOKEN(PSI_T_DEFINED); goto start; }
+ 'UNDEF' { NEWTOKEN(PSI_T_UNDEF); goto start; }
+ 'WARNING' { NEWTOKEN(PSI_T_WARNING); goto start; }
+ 'ERROR' { NEWTOKEN(PSI_T_ERROR); goto start; }
+ 'INCLUDE' { NEWTOKEN(PSI_T_INCLUDE); goto start; }
+ 'INCLUDE_NEXT' { NEWTOKEN(PSI_T_INCLUDE_NEXT); goto start; }
+ 'TRUE' { NEWTOKEN(PSI_T_TRUE); goto start; }
+ 'FALSE' { NEWTOKEN(PSI_T_FALSE); goto start; }
+ 'NULL' { NEWTOKEN(PSI_T_NULL); goto start; }
+ 'MIXED' { NEWTOKEN(PSI_T_MIXED); goto start; }
+ 'CALLABLE' { NEWTOKEN(PSI_T_CALLABLE); goto start; }
+ 'STRING' { NEWTOKEN(PSI_T_STRING); goto start; }
+ 'ARRAY' { NEWTOKEN(PSI_T_ARRAY); goto start; }
+ 'OBJECT' { NEWTOKEN(PSI_T_OBJECT); goto start; }
+ 'CALLBACK' { NEWTOKEN(PSI_T_CALLBACK); goto start; }
+ 'STATIC' { NEWTOKEN(PSI_T_STATIC); goto start; }
+ 'FUNCTION' { NEWTOKEN(PSI_T_FUNCTION); goto start; }
+ 'LIB' { NEWTOKEN(PSI_T_LIB); goto start; }
+ 'LET' { NEWTOKEN(PSI_T_LET); goto start; }
+ 'SET' { NEWTOKEN(PSI_T_SET); goto start; }
+ 'PRE_ASSERT' { NEWTOKEN(PSI_T_PRE_ASSERT); goto start; }
+ 'POST_ASSERT' { NEWTOKEN(PSI_T_POST_ASSERT); goto start; }
+ 'RETURN' { NEWTOKEN(PSI_T_RETURN); goto start; }
+ 'AS' { NEWTOKEN(PSI_T_AS); goto start; }
+ 'FREE' { NEWTOKEN(PSI_T_FREE); goto start; }
+ 'TEMP' { NEWTOKEN(PSI_T_TEMP); goto start; }
+ 'STRLEN' { NEWTOKEN(PSI_T_STRLEN); goto start; }
+ 'STRVAL' { NEWTOKEN(PSI_T_STRVAL); goto start; }
+ 'PATHVAL' { NEWTOKEN(PSI_T_PATHVAL); goto start; }
+ 'INTVAL' { NEWTOKEN(PSI_T_INTVAL); goto start; }
+ 'FLOATVAL' { NEWTOKEN(PSI_T_FLOATVAL); goto start; }
+ 'BOOLVAL' { NEWTOKEN(PSI_T_BOOLVAL); goto start; }
+ 'ARRVAL' { NEWTOKEN(PSI_T_ARRVAL); goto start; }
+ 'OBJVAL' { NEWTOKEN(PSI_T_OBJVAL); goto start; }
+ 'ZVAL' { NEWTOKEN(PSI_T_ZVAL); goto start; }
+ 'COUNT' { NEWTOKEN(PSI_T_COUNT); goto start; }
+ 'CALLOC' { NEWTOKEN(PSI_T_CALLOC); goto start; }
+ 'TO_OBJECT' { NEWTOKEN(PSI_T_TO_OBJECT); goto start; }
+ 'TO_ARRAY' { NEWTOKEN(PSI_T_TO_ARRAY); goto start; }
+ 'TO_STRING' { NEWTOKEN(PSI_T_TO_STRING); goto start; }
+ 'TO_INT' { NEWTOKEN(PSI_T_TO_INT); goto start; }
+ 'TO_FLOAT' { NEWTOKEN(PSI_T_TO_FLOAT); goto start; }
+ 'TO_BOOL' { NEWTOKEN(PSI_T_TO_BOOL); goto start; }
+ NAME { NEWTOKEN(PSI_T_NAME); goto start; }
+ NSNAME { NEWTOKEN(PSI_T_NSNAME); goto start; }
+ DOLLAR_NAME { NEWTOKEN(PSI_T_DOLLAR_NAME); goto start; }
+ CPP_HEADER { tok += 1; cur -= 1; NEWTOKEN(PSI_T_CPP_HEADER); cur += 1; goto start; }
+ CPP_ATTRIBUTE { parens = 2; goto cpp_attribute; }
+ EOL { NEWTOKEN(PSI_T_EOL); NEWLINE(); goto start; }
+ SP+ { NEWTOKEN(PSI_T_WHITESPACE); goto start; }
+ [^] { CHECKEOF(); NEWTOKEN(-2); goto error; }
+ * { CHECKEOF(); NEWTOKEN(-1); goto error; }
+
+ */
+
+ character: ;
+ /*!re2c
+
+ EOL { NEWLINE(); goto character; }
+ "\\" { escaped = !escaped; goto character; }
+ "'" {
+ if (escaped) {
+ escaped = false;
+ goto character;
+ }
+ cur -= 1;
+ NEWTOKEN(PSI_T_QUOTED_CHAR);
+ cur += 1;
+ token->flags = char_width;
+ goto start;
+ }
+ * { escaped = false; goto character; }
+
+ */
+
+ string: ;
+ /*!re2c
+
+ EOL { NEWLINE(); goto string; }
+ "\\" { escaped = !escaped; goto string; }
+ "\"" {
+ if (escaped) {
+ escaped = false;
+ goto string;
+ }
+ cur -= 1;
+ NEWTOKEN(PSI_T_QUOTED_STRING);
+ cur += 1;
+ token->flags = char_width;
+ goto start;
+ }
+ * { escaped = false; goto string; }
+
+ */
+
+ comment: ;
+ /*!re2c
+
+ EOL { NEWLINE(); goto comment; }
+ "*" "/" { NEWTOKEN(PSI_T_COMMENT); goto start; }
+ * { goto comment; }
+
+ */
+
+ comment_sl: ;
+ /*!re2c
+
+ EOL { NEWTOKEN(PSI_T_COMMENT); tok = cur - 1; NEWTOKEN(PSI_T_EOL); NEWLINE(); goto start; }
+ * { goto comment_sl; }
+
+ */
+
+ cpp_attribute: ;
+
+ /*!re2c
+
+ "(" { ++parens; goto cpp_attribute; }
+ ")" { if (parens == 1) { NEWTOKEN(PSI_T_CPP_ATTRIBUTE); goto start; } else { --parens; goto cpp_attribute; } }
+ EOL { NEWLINE(); goto cpp_attribute; }
+ * { goto cpp_attribute; }
+
+ */
+error: ;
+
+ P->error(PSI_DATA(P), token, PSI_WARNING, "PSI syntax error: unexpected input (%d) '%.*s' at col %tu",
+ token->type, token->text->len, token->text->val, tok - eol + 1);
+ psi_plist_free(tokens);
+ return NULL;
+
+done: ;
+
+ PSI_DEBUG_PRINT(P, "PSI: EOF cur=%p lim=%p\n", cur, lim);
+
+ return tokens;
+}
projects / m6w6 / ext-psi / blobdiff