From 0c7f101ad0e43c33e8dd1b53f6f6746652236b63 Mon Sep 17 00:00:00 2001 From: Jan Breuer <jan.breuer@jaybee.cz> Date: ćšć, 27 8æ 2015 23:41:03 +0800 Subject: [PATCH] Update travis script and add build icon to README --- libscpi/src/lexer.c | 108 ++++++++++++++++++++++++++++++------------------------ 1 files changed, 60 insertions(+), 48 deletions(-) diff --git a/libscpi/src/lexer.c b/libscpi/src/lexer.c index a1be5e4..45b19ce 100644 --- a/libscpi/src/lexer.c +++ b/libscpi/src/lexer.c @@ -245,7 +245,7 @@ * @param chr * @return */ -static int skipChr(lex_state_t * state, int chr) { +static int skipChr(lex_state_t * state, char chr) { if (!iseos(state) && ischr(state, chr)) { state->pos++; return SKIP_OK; @@ -297,6 +297,7 @@ } /* 7.6.1.2 <COMMAND PROGRAM HEADER> */ + /** * Skip program mnemonic [a-z][a-z0-9_]* * @param state @@ -319,6 +320,7 @@ } /* tokens */ + /** * Detect token white space * @param state @@ -333,15 +335,16 @@ token->len = state->pos - token->ptr; if (token->len > 0) { - token->type = TokWhiteSpace; + token->type = SCPI_TOKEN_WS; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; } return token->len; } /* 7.6.1 <COMMAND PROGRAM HEADER> */ + /** * Skip command program header \*<PROGRAM MNEMONIC> * @param state @@ -402,32 +405,32 @@ int scpiLex_ProgramHeader(lex_state_t * state, scpi_token_t * token) { int res; token->ptr = state->pos; - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; res = skipCommonProgramHeader(state); if (res >= SKIP_OK) { if (skipChr(state, '?') >= SKIP_OK) { - token->type = TokCommonQueryProgramHeader; + token->type = SCPI_TOKEN_COMMON_QUERY_PROGRAM_HEADER; } else { - token->type = TokCommonProgramHeader; + token->type = SCPI_TOKEN_COMMON_PROGRAM_HEADER; } } else if (res <= SKIP_INCOMPLETE) { - token->type = TokIncompleteCommonProgramHeader; + token->type = SCPI_TOKEN_INCOMPLETE_COMMON_PROGRAM_HEADER; } else if (res == SKIP_NONE) { res = skipCompoundProgramHeader(state); if (res >= SKIP_OK) { if (skipChr(state, '?') >= SKIP_OK) { - token->type = TokCompoundQueryProgramHeader; + token->type = SCPI_TOKEN_COMPOUND_QUERY_PROGRAM_HEADER; } else { - token->type = TokCompoundProgramHeader; + token->type = SCPI_TOKEN_COMPOUND_PROGRAM_HEADER; } } else if (res <= SKIP_INCOMPLETE) { - token->type = TokIncompleteCompoundProgramHeader; - } + token->type = SCPI_TOKEN_INCOMPLETE_COMPOUND_PROGRAM_HEADER; + } } - if (token->type != TokUnknown) { + if (token->type != SCPI_TOKEN_UNKNOWN) { token->len = state->pos - token->ptr; } else { token->len = 0; @@ -438,6 +441,7 @@ } /* 7.7.1 <CHARACTER PROGRAM DATA> */ + /** * Detect token "Character program data" * @param state @@ -456,9 +460,9 @@ token->len = state->pos - token->ptr; if (token->len > 0) { - token->type = TokProgramMnemonic; + token->type = SCPI_TOKEN_PROGRAM_MNEMONIC; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; } return token->len; @@ -502,7 +506,7 @@ * @return */ int scpiLex_DecimalNumericProgramData(lex_state_t * state, scpi_token_t * token) { - const char * rollback; + char * rollback; token->ptr = state->pos; if (skipMantisa(state)) { @@ -517,9 +521,9 @@ token->len = state->pos - token->ptr; if (token->len > 0) { - token->type = TokDecimalNumericProgramData; + token->type = SCPI_TOKEN_DECIMAL_NUMERIC_PROGRAM_DATA; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; } return token->len; @@ -545,9 +549,9 @@ token->len = state->pos - token->ptr; if ((token->len > 0)) { - token->type = TokSuffixProgramData; + token->type = SCPI_TOKEN_SUFFIX_PROGRAM_DATA; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } @@ -590,22 +594,22 @@ * @return */ int scpiLex_NondecimalNumericData(lex_state_t * state, scpi_token_t * token) { - token->ptr = state->pos; int someNumbers = 0; + token->ptr = state->pos; if (skipChr(state, '#')) { if (!iseos(state)) { if (isH(state->pos[0])) { state->pos++; someNumbers = skipHexNum(state); - token->type = TokHexnum; + token->type = SCPI_TOKEN_HEXNUM; } else if (isQ(state->pos[0])) { state->pos++; someNumbers = skipOctNum(state); - token->type = TokOctnum; + token->type = SCPI_TOKEN_OCTNUM; } else if (isB(state->pos[0])) { state->pos++; someNumbers = skipBinNum(state); - token->type = TokBinnum; + token->type = SCPI_TOKEN_BINNUM; } } } @@ -614,7 +618,7 @@ token->ptr += 2; // ignore number prefix token->len = state->pos - token->ptr; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } @@ -626,7 +630,7 @@ return (c >= 0) && (c <= 0x7f); } -static int skipQuoteProgramData(lex_state_t * state, int quote) { +static void skipQuoteProgramData(lex_state_t * state, char quote) { while (!iseos(state)) { if (isascii7bit(state->pos[0]) && !ischr(state, quote)) { state->pos++; @@ -642,11 +646,11 @@ } } -static int skipDoubleQuoteProgramData(lex_state_t * state) { +static void skipDoubleQuoteProgramData(lex_state_t * state) { skipQuoteProgramData(state, '"'); } -static int skipSingleQuoteProgramData(lex_state_t * state) { +static void skipSingleQuoteProgramData(lex_state_t * state) { skipQuoteProgramData(state, '\''); } @@ -662,7 +666,7 @@ if (!iseos(state)) { if (ischr(state, '"')) { state->pos++; - token->type = TokDoubleQuoteProgramData; + token->type = SCPI_TOKEN_DOUBLE_QUOTE_PROGRAM_DATA; skipDoubleQuoteProgramData(state); if (!iseos(state) && ischr(state, '"')) { state->pos++; @@ -672,7 +676,7 @@ } } else if (ischr(state, '\'')) { state->pos++; - token->type = TokSingleQuoteProgramData; + token->type = SCPI_TOKEN_SINGLE_QUOTE_PROGRAM_DATA; skipSingleQuoteProgramData(state); if (!iseos(state) && ischr(state, '\'')) { state->pos++; @@ -689,7 +693,7 @@ token->ptr++; token->len -= 2; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } @@ -712,6 +716,7 @@ int i; int arbitraryBlockLength = 0; const char * ptr = state->pos; + int validData = -1; token->ptr = state->pos; if (skipChr(state, '#')) { @@ -732,24 +737,30 @@ if (i == 0) { state->pos += arbitraryBlockLength; - if ((state->buffer + state->len) < (state->pos)) { - token->len = 0; - } else { + if ((state->buffer + state->len) >= (state->pos)) { token->ptr = state->pos - arbitraryBlockLength; token->len = arbitraryBlockLength; + validData = 1; } - } else { - token->len = 0; + } else if (iseos(state)) { + validData = 0; } - } else { - token->len = 0; + } else if (iseos(state)) { + validData = 0; } } - if ((token->len > 0)) { - token->type = TokArbitraryBlockProgramData; + if (validData == 1) { + // valid + token->type = SCPI_TOKEN_ARBITRARY_BLOCK_PROGRAM_DATA; + } else if (validData == 0) { + // incomplete + token->type = SCPI_TOKEN_UNKNOWN; + token->len = 0; + state->pos = state->buffer + state->len; } else { - token->type = TokUnknown; + // invalid + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } @@ -780,6 +791,7 @@ } // TODO: 7.7.7.2-2 recursive - any program data + /** * Detect token Expression * @param state @@ -802,9 +814,9 @@ } if ((token->len > 0)) { - token->type = TokProgramExpression; + token->type = SCPI_TOKEN_PROGRAM_EXPRESSION; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } @@ -823,10 +835,10 @@ if (skipChr(state, ',')) { token->len = 1; - token->type = TokComma; + token->type = SCPI_TOKEN_COMMA; } else { token->len = 0; - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; } return token->len; @@ -843,10 +855,10 @@ if (skipChr(state, ';')) { token->len = 1; - token->type = TokSemicolon; + token->type = SCPI_TOKEN_SEMICOLON; } else { token->len = 0; - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; } return token->len; @@ -867,9 +879,9 @@ token->len = state->pos - token->ptr; if ((token->len > 0)) { - token->type = TokNewLine; + token->type = SCPI_TOKEN_NL; } else { - token->type = TokUnknown; + token->type = SCPI_TOKEN_UNKNOWN; state->pos = token->ptr; token->len = 0; } -- Gitblit v1.9.1