From 8d037836c8e9855531385e9c74958dda71964bcb Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: ćšć, 21 3æ 2013 23:44:56 +0800
Subject: [PATCH] Complete SCPI Lexer and unit test
---
libscpi/src/lexer.c | 324 +++++++++++++++-------------
libscpi/Makefile | 5
libscpi/test/test_lexer.c | 190 +++++++++++++++++
libscpi/inc/scpi/lexer.h | 104 +++++++++
4 files changed, 471 insertions(+), 152 deletions(-)
diff --git a/libscpi/Makefile b/libscpi/Makefile
index d20e0a4..e58cd39 100644
--- a/libscpi/Makefile
+++ b/libscpi/Makefile
@@ -23,6 +23,7 @@
SRCS = $(addprefix src/, \
debug.c error.c fifo.c ieee488.c \
minimal.c parser.c units.c utils.c \
+ lexer.c \
)
OBJS = $(addprefix $(OBJDIR)/, $(notdir $(SRCS:.c=.o)))
@@ -30,12 +31,12 @@
HDRS = $(addprefix inc/scpi/, \
scpi.h constants.h debug.h error.h \
fifo.h ieee488.h minimal.h parser.h \
- types.h units.h \
+ types.h units.h lexer.h \
) src/utils.h
TESTS = $(addprefix test/, \
- test_fifo.c test_scpi_utils.c \
+ test_fifo.c test_scpi_utils.c test_lexer.c \
)
TESTS_OBJS = $(TESTS:.c=.o)
diff --git a/libscpi/inc/scpi/lexer.h b/libscpi/inc/scpi/lexer.h
new file mode 100644
index 0000000..c2124b9
--- /dev/null
+++ b/libscpi/inc/scpi/lexer.h
@@ -0,0 +1,104 @@
+/*-
+ * Copyright (c) 2012-2013 Jan Breuer,
+ *
+ * All Rights Reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. 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 AUTHORS ``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 AUTHORS 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.
+ */
+
+/**
+ * @file lexer.h
+ * @date Thu Mar 21 15:00:58 UTC 2013
+ *
+ * @brief SCPI Lexer
+ *
+ *
+ */
+
+#ifndef SCPI_LEXER_H
+#define SCPI_LEXER_H
+
+#include "scpi/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum _token_type_t {
+ TokComma,
+ TokSemicolon,
+ TokQuiestion,
+ TokNewLine,
+ TokHexnum,
+ TokOctnum,
+ TokBinnum,
+ TokProgramMnemonic,
+ TokDecimalNumericProgramData,
+ TokSuffixProgramData,
+ TokArbitraryBlockProgramData,
+ TokSingleQuoteProgramData,
+ TokDoubleQuoteProgramData,
+ TokProgramExpression,
+ TokCompoundProgramHeader,
+ TokCommonProgramHeader,
+ TokWhiteSpace,
+ TokUnknown,
+};
+typedef enum _token_type_t token_type_t;
+
+struct _token_t {
+ token_type_t type;
+ const char * ptr;
+ int len;
+};
+typedef struct _token_t token_t;
+
+struct _lex_state_t {
+ const char * buffer;
+ const char * pos;
+ int len;
+};
+typedef struct _lex_state_t lex_state_t;
+
+
+int SCPI_LexWhiteSpace(lex_state_t * state, token_t * token);
+int SCPI_LexCommonProgramHeader(lex_state_t * state, token_t * token);
+int SCPI_LexCompoundProgramHeader(lex_state_t * state, token_t * token);
+int SCPI_LexProgramHeader(lex_state_t * state, token_t * token);
+int SCPI_LexQuestion(lex_state_t * state, token_t * token);
+int SCPI_LexCharacterProgramData(lex_state_t * state, token_t * token);
+int SCPI_LexDecimalNumericProgramData(lex_state_t * state, token_t * token);
+int SCPI_LexSuffixProgramData(lex_state_t * state, token_t * token);
+int SCPI_LexNondecimalNumericData(lex_state_t * state, token_t * token);
+int SCPI_LexStringProgramData(lex_state_t * state, token_t * token);
+int SCPI_LexArbitraryBlockProgramData(lex_state_t * state, token_t * token);
+int SCPI_LexProgramExpression(lex_state_t * state, token_t * token);
+int SCPI_LexComma(lex_state_t * state, token_t * token);
+int SCPI_LexSemicolon(lex_state_t * state, token_t * token);
+int SCPI_LexNewLine(lex_state_t * state, token_t * token);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SCPI_LEXER_H */
+
diff --git a/libscpi/src/lexer.c b/libscpi/src/lexer.c
index f145ca0..abca2de 100644
--- a/libscpi/src/lexer.c
+++ b/libscpi/src/lexer.c
@@ -38,40 +38,8 @@
#include <stdio.h>
#include <string.h>
-enum _token_type_t {
- TokComma,
- TokSemicolon,
- TokQuiestion,
- TokNewLine,
- TokHexnum,
- TokOctnum,
- TokBinnum,
- TokProgramMnemonic,
- TokDecimalNumericProgramData,
- TokSuffixProgramData,
- TokSingleQuoteProgramData,
- TokDoubleQuoteProgramData,
- TokProgramExpression,
- TokCompoundProgramHeader,
- TokCommonProgramHeader,
- TokWhiteSpace,
- TokUnknown,
-};
-typedef enum _token_type_t token_type_t;
+#include "scpi/lexer.h"
-struct _token_t {
- token_type_t type;
- const char * ptr;
- int len;
-};
-typedef struct _token_t token_t;
-
-struct _lex_state_t {
- const char * buffer;
- const char * pos;
- int len;
-};
-typedef struct _lex_state_t lex_state_t;
/* identify character */
static int isws ( int c ) {
@@ -357,7 +325,7 @@
someNumbers += skipNumbers(state);
}
- return someNumbers > 0;
+ return someNumbers;
}
static int skipExponent(lex_state_t * state) {
@@ -370,10 +338,10 @@
skipPlusmn(state);
- someNumbers += skipNumbers(state);
+ someNumbers = skipNumbers(state);
}
- return someNumbers > 0;
+ return someNumbers;
}
int SCPI_LexDecimalNumericProgramData(lex_state_t * state, token_t * token) {
@@ -386,6 +354,8 @@
if(!skipExponent(state)) {
state->pos = rollback;
}
+ } else {
+ state->pos = token->ptr;
}
token->len = state->pos - token->ptr;
@@ -490,15 +460,178 @@
/* 7.7.5 <STRING PROGRAM DATA> */
-// TODO: int SCPI_LexStringProgramData(lex_state_t * state, token_t * token)
-// void SCPI_LexSingleQuoteProgramData(lex_state_t * state)
-// void SCPI_LexDoubleQuoteProgramDatalex_state_t * state)
+static int isascii7bit(int c) {
+ return (c >= 0) && (c <= 0x7f);
+}
+
+
+static int skipQuoteProgramData(lex_state_t * state, int quote) {
+ while(!iseos(state)) {
+ if (isascii7bit(state->pos[0]) && !ischr(state, quote)) {
+ state->pos++;
+ } else if (ischr(state, quote)) {
+ state->pos++;
+ if (!iseos(state) && ischr(state, quote)) {
+ state->pos++;
+ } else {
+ state->pos--;
+ break;
+ }
+ }
+ }
+}
+
+static int skipDoubleQuoteProgramData(lex_state_t * state) {
+ skipQuoteProgramData(state, '"');
+}
+
+static int skipSingleQuoteProgramData(lex_state_t * state) {
+ skipQuoteProgramData(state, '\'');
+}
+
+int SCPI_LexStringProgramData(lex_state_t * state, token_t * token) {
+ token->ptr = state->pos;
+
+ if (!iseos(state)) {
+ if (ischr(state, '"')) {
+ state->pos++;
+ token->type = TokDoubleQuoteProgramData;
+ skipDoubleQuoteProgramData(state);
+ if (!iseos(state) && ischr(state, '"')) {
+ state->pos++;
+ token->len = state->pos - token->ptr;
+ } else {
+ state->pos = token->ptr;
+ }
+ } else if (ischr(state, '\'')) {
+ state->pos++;
+ token->type = TokSingleQuoteProgramData;
+ skipSingleQuoteProgramData(state);
+ if (!iseos(state) && ischr(state, '\'')) {
+ state->pos++;
+ token->len = state->pos - token->ptr;
+ } else {
+ state->pos = token->ptr;
+ }
+ }
+ }
+
+ token->len = state->pos - token->ptr;
+
+ if((token->len > 0)) {
+ token->ptr++;
+ token->len -= 2;
+ } else {
+ token->type = TokUnknown;
+ state->pos = token->ptr;
+ token->len = 0;
+ }
+
+ return token->len;
+}
/* 7.7.6 <ARBITRARY BLOCK PROGRAM DATA> */
-// TODO: int SCPI_LexArbitraryBlockProgramData(lex_state_t * state, token_t * token)
+static int isNonzeroDigit(int c) {
+ return isdigit(c) && (c != '0');
+}
+
+int SCPI_LexArbitraryBlockProgramData(lex_state_t * state, token_t * token) {
+ int i;
+ int j = 0;
+
+ token->ptr = state->pos;
+
+ if (skipChr(state, '#')) {
+ if (!iseos(state) && isNonzeroDigit(state->pos[0])) {
+ /* Get number of digits */
+ i = state->pos[0] - '0';
+ state->pos++;
+
+ for(; i > 0; i--) {
+ if (!iseos(state) && isdigit(state->pos[0])) {
+ j *= 10;
+ j += (state->pos[0] - '0');
+ state->pos++;
+ } else {
+ break;
+ }
+ }
+
+ if(i == 0) {
+ state->pos += j;
+ if (!iseos(state)) {
+ token->ptr = state->pos - j;
+ token->len = j;
+ } else {
+ token->len = 0;
+ }
+ } else {
+ token->len = 0;
+ }
+ } else {
+ token->len = 0;
+ }
+ }
+
+ if((token->len > 0)) {
+ token->type = TokArbitraryBlockProgramData;
+ } else {
+ token->type = TokUnknown;
+ state->pos = token->ptr;
+ token->len = 0;
+ }
+
+ return token->len;
+}
/* 7.7.7 <EXPRESSION PROGRAM DATA> */
-// TODO: int SCPI_LexProgramExpression(lex_state_t * state, token_t * token)
+static int isProgramExpression(int c) {
+ if ((c >= 0x20) && (c<=0x7e)) {
+ if ((c!= 0x22)
+ && (c!= 0x23)
+ && (c!= 0x27)
+ && (c!= 0x28)
+ && (c!= 0x29)
+ && (c!= 0x3B)) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void skipProgramExpression(lex_state_t * state) {
+ while(!iseos(state) && isProgramExpression(state->pos[0])) {
+ state->pos++;
+ }
+}
+
+// TODO: 7.7.7.2-2 recursive - any program data
+int SCPI_LexProgramExpression(lex_state_t * state, token_t * token) {
+ token->ptr = state->pos;
+
+ if (!iseos(state) && ischr(state, '(')) {
+ state->pos++;
+ skipProgramExpression(state);
+
+ if (!iseos(state) && ischr(state, ')')) {
+ state->pos++;
+ token->len = state->pos - token->ptr;
+ } else {
+ token->len = 0;
+ }
+ }
+
+ if((token->len > 0)) {
+ token->type = TokProgramExpression;
+ } else {
+ token->type = TokUnknown;
+ state->pos = token->ptr;
+ token->len = 0;
+ }
+
+ return token->len;
+}
int SCPI_LexComma(lex_state_t * state, token_t * token) {
token->ptr = state->pos;
@@ -547,114 +680,5 @@
return token->len;
}
-const char * typeToStr(token_type_t type) {
- switch(type) {
- case TokComma: return "TokComma";
- case TokSemicolon: return "TokSemicolon";
- case TokQuiestion: return "TokQuiestion";
- case TokNewLine: return "TokNewLine";
- case TokHexnum: return "TokHexnum";
- case TokOctnum: return "TokOctnum";
- case TokBinnum: return "TokBinnum";
- case TokProgramMnemonic: return "TokProgramMnemonic";
- case TokDecimalNumericProgramData: return "TokDecimalNumericProgramData";
- case TokSuffixProgramData: return "TokSuffixProgramData";
- case TokSingleQuoteProgramData: return "TokSingleQuoteProgramData";
- case TokDoubleQuoteProgramData: return "TokDoubleQuoteProgramData";
- case TokProgramExpression: return "TokProgramExpression";
- case TokCompoundProgramHeader: return "TokCompoundProgramHeader";
- case TokCommonProgramHeader: return "TokCommonProgramHeader";
- case TokWhiteSpace: return "TokWhiteSpace";
- default: return "TokUnknown";
- }
-}
-void printToken(token_t * token) {
- printf("Token:\r\n");
- printf("\t->type = %s\r\n", typeToStr(token->type));
- printf("\t->ptr = %p (\"%.*s\")\r\n", token->ptr, token->len, token->ptr);
- printf("\t->len = %d\r\n", token->len);
-}
-
-#define INIT_STATE(str) do { \
- state.buffer = state.pos = (str); \
- state.len = strlen((str)); \
-} while(0)
-
-int main(int argc, char ** argv) {
- lex_state_t state;
- token_t token;
-
-
- // INIT_STATE("MEAS:VOLT:DC? 1, 5\r\n");
- INIT_STATE(" \t MEAS:VOLT:DC? 1.58, .125, 5V\r\n");
- SCPI_LexWhiteSpace(&state, &token); printToken(&token);
-
- INIT_STATE("#H123fe5A , ");
- SCPI_LexNondecimalNumericData(&state, &token); printToken(&token);
-
- INIT_STATE("#B0111010101 , ");
- SCPI_LexNondecimalNumericData(&state, &token); printToken(&token);
-
- INIT_STATE("#Q125725433 , ");
- SCPI_LexNondecimalNumericData(&state, &token); printToken(&token);
-
- INIT_STATE("abc_213as564 , ");
- SCPI_LexCharacterProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("10 , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("-10.5 , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("+.5 , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("-. , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("-1 e , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("-1 e 3, ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("1.5E12 , ");
- SCPI_LexDecimalNumericProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("A/V , ");
- SCPI_LexSuffixProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("mA.h , ");
- SCPI_LexSuffixProgramData(&state, &token); printToken(&token);
-
- INIT_STATE("*IDN?, ");
- SCPI_LexCommonProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE("*?, ");
- SCPI_LexCommonProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE("MEAS:VOLT:DC?, ");
- SCPI_LexCommonProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE("MEAS:VOLT:DC?, ");
- SCPI_LexCompoundProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE(":MEAS:VOLT:DC?, ");
- SCPI_LexCompoundProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE(":MEAS::VOLT:DC?, ");
- SCPI_LexCompoundProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE(":MEAS::VOLT:DC?, ");
- SCPI_LexProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE("MEAS:VOLT:DC?, ");
- SCPI_LexProgramHeader(&state, &token); printToken(&token);
-
- INIT_STATE("*IDN?, ");
- SCPI_LexProgramHeader(&state, &token); printToken(&token);
- return 0;
-}
diff --git a/libscpi/test/test_lexer.c b/libscpi/test/test_lexer.c
new file mode 100644
index 0000000..47a8dfe
--- /dev/null
+++ b/libscpi/test/test_lexer.c
@@ -0,0 +1,190 @@
+/*
+ * File: test_lexer.c
+ * Author: jaybee
+ *
+ * Created on Thu Mar 21 14:39:03 UTC 2013
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "CUnit/Basic.h"
+
+#include "scpi/lexer.h"
+
+/*
+ * CUnit Test Suite
+ */
+
+int init_suite(void) {
+ return 0;
+}
+
+int clean_suite(void) {
+ return 0;
+}
+
+typedef int (*lexfn_t)(lex_state_t * state, token_t * token);
+
+
+const char * typeToStr(token_type_t type) {
+ switch(type) {
+ case TokComma: return "TokComma";
+ case TokSemicolon: return "TokSemicolon";
+ case TokQuiestion: return "TokQuiestion";
+ case TokNewLine: return "TokNewLine";
+ case TokHexnum: return "TokHexnum";
+ case TokOctnum: return "TokOctnum";
+ case TokBinnum: return "TokBinnum";
+ case TokProgramMnemonic: return "TokProgramMnemonic";
+ case TokDecimalNumericProgramData: return "TokDecimalNumericProgramData";
+ case TokSuffixProgramData: return "TokSuffixProgramData";
+ case TokArbitraryBlockProgramData: return "TokArbitraryBlockProgramData";
+ case TokSingleQuoteProgramData: return "TokSingleQuoteProgramData";
+ case TokDoubleQuoteProgramData: return "TokDoubleQuoteProgramData";
+ case TokProgramExpression: return "TokProgramExpression";
+ case TokCompoundProgramHeader: return "TokCompoundProgramHeader";
+ case TokCommonProgramHeader: return "TokCommonProgramHeader";
+ case TokWhiteSpace: return "TokWhiteSpace";
+ default: return "TokUnknown";
+ }
+}
+
+void printToken(token_t * token) {
+ printf("Token:\r\n");
+ printf("\t->type = %s\r\n", typeToStr(token->type));
+ printf("\t->ptr = %p (\"%.*s\")\r\n", token->ptr, token->len, token->ptr);
+ printf("\t->len = %d\r\n", token->len);
+}
+
+
+#if 0
+static void TEST_TOKEN(const char * str, lexfn_t fn, int offset, int len, token_type_t tp) {
+ lex_state_t state;
+ token_t token;
+
+ state.buffer = state.pos = str;
+ state.len = strlen(str);
+ fn(&state, &token);
+ CU_ASSERT_EQUAL(str + offset, token.ptr);
+ CU_ASSERT_EQUAL(len, token.len);
+ CU_ASSERT_EQUAL(tp, token.type);
+}
+#endif
+
+#define TEST_TOKEN(s, f, o, l, t) do { \
+ const char * str = s; \
+ lexfn_t fn = f; \
+ int offset = o; \
+ int len = l; \
+ token_type_t tp = t; \
+ lex_state_t state; \
+ token_t token; \
+ \
+ state.buffer = state.pos = str; \
+ state.len = strlen(str); \
+ fn(&state, &token); \
+ CU_ASSERT_EQUAL(str + offset, token.ptr); \
+ CU_ASSERT_EQUAL(len, token.len); \
+ CU_ASSERT_EQUAL(tp, token.type); \
+ /* printToken(&token); */ \
+} while(0)
+
+
+void testWhiteSpace(void) {
+ TEST_TOKEN(" \t MEA", SCPI_LexWhiteSpace, 0, 4, TokWhiteSpace);
+}
+
+void testNondecimal(void) {
+ TEST_TOKEN("#H123fe5A", SCPI_LexNondecimalNumericData, 2, 7, TokHexnum);
+ TEST_TOKEN("#B0111010101", SCPI_LexNondecimalNumericData, 2, 10, TokBinnum);
+ TEST_TOKEN("#Q125725433", SCPI_LexNondecimalNumericData, 2, 9, TokOctnum);
+}
+
+void testCharacterProgramData(void) {
+ TEST_TOKEN("abc_213as564 , ", SCPI_LexCharacterProgramData, 0, 12, TokProgramMnemonic);
+}
+
+void testDecimal(void) {
+ TEST_TOKEN("10 , ", SCPI_LexDecimalNumericProgramData, 0, 2, TokDecimalNumericProgramData);
+ TEST_TOKEN("-10.5 , ", SCPI_LexDecimalNumericProgramData, 0, 5, TokDecimalNumericProgramData);
+ TEST_TOKEN("+.5 , ", SCPI_LexDecimalNumericProgramData, 0, 3, TokDecimalNumericProgramData);
+ TEST_TOKEN("-. , ", SCPI_LexDecimalNumericProgramData, 0, 0, TokUnknown);
+ TEST_TOKEN("-1 e , ", SCPI_LexDecimalNumericProgramData, 0, 2, TokDecimalNumericProgramData);
+ TEST_TOKEN("-1 e 3, ", SCPI_LexDecimalNumericProgramData, 0, 6, TokDecimalNumericProgramData);
+ TEST_TOKEN("1.5E12", SCPI_LexDecimalNumericProgramData, 0, 6, TokDecimalNumericProgramData);
+}
+
+void testSuffix(void) {
+ TEST_TOKEN("A/V , ", SCPI_LexSuffixProgramData, 0, 3, TokSuffixProgramData);
+ TEST_TOKEN("mA.h", SCPI_LexSuffixProgramData, 0, 4, TokSuffixProgramData);
+}
+
+void testProgramHeader(void) {
+ TEST_TOKEN("*IDN? ", SCPI_LexCommonProgramHeader, 0, 4, TokCommonProgramHeader);
+ TEST_TOKEN("*?; ", SCPI_LexCommonProgramHeader, 0, 0, TokUnknown);
+ TEST_TOKEN("MEAS:VOLT:DC? ", SCPI_LexCommonProgramHeader, 0, 0, TokUnknown);
+ TEST_TOKEN("MEAS:VOLT:DC? ", SCPI_LexCompoundProgramHeader, 0, 12, TokCompoundProgramHeader);
+ TEST_TOKEN(":MEAS:VOLT:DC? ", SCPI_LexCompoundProgramHeader, 0, 13, TokCompoundProgramHeader);
+ TEST_TOKEN(":MEAS::VOLT:DC? ", SCPI_LexCompoundProgramHeader, 0, 6, TokCompoundProgramHeader);
+ TEST_TOKEN(":MEAS::VOLT:DC? ", SCPI_LexProgramHeader, 0, 6, TokCompoundProgramHeader);
+ TEST_TOKEN("*IDN?", SCPI_LexProgramHeader, 0, 4, TokCommonProgramHeader);
+}
+
+void testArbitraryBlock(void) {
+ TEST_TOKEN("#12AB, ", SCPI_LexArbitraryBlockProgramData, 3, 2, TokArbitraryBlockProgramData);
+ TEST_TOKEN("#13AB", SCPI_LexArbitraryBlockProgramData, 0, 0, TokUnknown);
+ TEST_TOKEN("#12\r\n, ", SCPI_LexArbitraryBlockProgramData, 3, 2, TokArbitraryBlockProgramData);
+ TEST_TOKEN("#02AB, ", SCPI_LexArbitraryBlockProgramData, 0, 0, TokUnknown);
+}
+
+void testExpression(void) {
+ TEST_TOKEN("( 1 + 2 ) , ", SCPI_LexProgramExpression, 0, 9, TokProgramExpression);
+ TEST_TOKEN("( 1 + 2 , ", SCPI_LexProgramExpression, 0, 0, TokUnknown);
+}
+
+void testString(void) {
+ TEST_TOKEN("\"ahoj\" ", SCPI_LexStringProgramData, 1, 4, TokDoubleQuoteProgramData);
+ TEST_TOKEN("'ahoj' ", SCPI_LexStringProgramData, 1, 4, TokSingleQuoteProgramData);
+ TEST_TOKEN("'ahoj ", SCPI_LexStringProgramData, 0, 0, TokUnknown);
+ TEST_TOKEN("'ah''oj' ", SCPI_LexStringProgramData, 1, 6, TokSingleQuoteProgramData);
+ TEST_TOKEN("'ah\"oj' ", SCPI_LexStringProgramData, 1, 5, TokSingleQuoteProgramData);
+ TEST_TOKEN("\"ah\"\"oj\" ", SCPI_LexStringProgramData, 1, 6, TokDoubleQuoteProgramData);
+}
+
+
+int main() {
+ CU_pSuite pSuite = NULL;
+
+ /* Initialize the CUnit test registry */
+ if (CUE_SUCCESS != CU_initialize_registry())
+ return CU_get_error();
+
+ /* Add a suite to the registry */
+ pSuite = CU_add_suite("Lexer", init_suite, clean_suite);
+ if (NULL == pSuite) {
+ CU_cleanup_registry();
+ return CU_get_error();
+ }
+
+ /* Add the tests to the suite */
+ if ((NULL == CU_add_test(pSuite, "WhiteSpace", testWhiteSpace))
+ || (NULL == CU_add_test(pSuite, "Nondecimal", testNondecimal))
+ || (NULL == CU_add_test(pSuite, "CharacterProgramData", testCharacterProgramData))
+ || (NULL == CU_add_test(pSuite, "Decimal", testDecimal))
+ || (NULL == CU_add_test(pSuite, "Suffix", testSuffix))
+ || (NULL == CU_add_test(pSuite, "ProgramHeader", testProgramHeader))
+ || (NULL == CU_add_test(pSuite, "ArbitraryBlock", testArbitraryBlock))
+ || (NULL == CU_add_test(pSuite, "Expression", testExpression))
+ || (NULL == CU_add_test(pSuite, "String", testString))
+ ) {
+ CU_cleanup_registry();
+ return CU_get_error();
+ }
+
+ /* Run all tests using the CUnit Basic interface */
+ CU_basic_set_mode(CU_BRM_VERBOSE);
+ CU_basic_run_tests();
+ CU_cleanup_registry();
+ return CU_get_error();
+}
+
--
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