test/harness/warningsparser.c
changeset 82 0df25c7f4ed7
child 101 f44c530f80da
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/harness/warningsparser.c	Fri Sep 06 22:35:23 2013 +0100
     1.3 @@ -0,0 +1,244 @@
     1.4 +#include <stdlib.h>
     1.5 +#include <string.h>
     1.6 +#include <glib.h>
     1.7 +#include "testcase.h"
     1.8 +#include "warningsparser.h"
     1.9 +
    1.10 +/*
    1.11 + * A GMarkupParser for the contents of a WARNINGS tag.
    1.12 + */
    1.13 +
    1.14 +typedef struct {
    1.15 +    Testcase *testcase;
    1.16 +    TestcaseWarning *warning;
    1.17 +    TestcaseLocation *location;
    1.18 +    enum {
    1.19 +	WARNINGS_INIT,
    1.20 +	WARNINGS_IN_EXPECTED,
    1.21 +	WARNINGS_IN_WARNING,
    1.22 +	WARNINGS_IN_AT,
    1.23 +	WARNINGS_IN_TEXT,
    1.24 +	WARNINGS_DONE,
    1.25 +    } state;
    1.26 +} WarningsBaton;
    1.27 +
    1.28 +static void warnings_parser_start_element(GMarkupParseContext *context,
    1.29 +  const char *element_name,const char **attribute_names,
    1.30 +  const char **attribute_values,void *user_data,GError **error)
    1.31 +{
    1.32 +    int i;
    1.33 +    guint64 tmp;
    1.34 +    char *endp;
    1.35 +    WarningsBaton *baton=user_data;
    1.36 +    switch(baton->state)
    1.37 +    {
    1.38 +	case WARNINGS_INIT:
    1.39 +	    if (strcmp(element_name,"expected"))
    1.40 +		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
    1.41 +		  "Unknown root element: '%s'",element_name);
    1.42 +	    else if (attribute_names[0])
    1.43 +		g_set_error(error,G_MARKUP_ERROR,
    1.44 +		  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
    1.45 +		  "Unknown attribute on element 'expected': '%s'",
    1.46 +		  attribute_names[0]);
    1.47 +	    else
    1.48 +		baton->state=WARNINGS_IN_EXPECTED;
    1.49 +	    break;
    1.50 +	case WARNINGS_IN_EXPECTED:
    1.51 +	    baton->warning=g_new0(TestcaseWarning,1);
    1.52 +	    if (!strcmp(element_name,"error"))
    1.53 +		baton->warning->is_real=TRUE;
    1.54 +	    else if (!strcmp(element_name,"false-positive"))
    1.55 +		baton->warning->xfail=TRUE;
    1.56 +	    else if (!strcmp(element_name,"false-negative"))
    1.57 +		baton->warning->is_real=baton->warning->xfail=TRUE;
    1.58 +	    else
    1.59 +	    {
    1.60 +		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
    1.61 +		  "Unknown element in 'expected': '%s'",element_name);
    1.62 +		g_free(baton->warning);
    1.63 +		baton->warning=NULL;
    1.64 +		return;
    1.65 +	    }
    1.66 +	    if (attribute_names[0])
    1.67 +	    {
    1.68 +		g_set_error(error,G_MARKUP_ERROR,
    1.69 +		  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
    1.70 +		  "Unknown attribute on element '%s': '%s'",element_name,
    1.71 +		  attribute_names[0]);
    1.72 +		g_free(baton->warning);
    1.73 +		baton->warning=NULL;
    1.74 +		return;
    1.75 +	    }
    1.76 +	    else
    1.77 +		baton->state=WARNINGS_IN_WARNING;
    1.78 +	    break;
    1.79 +	case WARNINGS_IN_WARNING:
    1.80 +	    if (!strcmp(element_name,"at"))
    1.81 +	    {
    1.82 +		baton->location=g_new0(TestcaseLocation,1);
    1.83 +		for(i=0;attribute_names[i];i++)
    1.84 +		{
    1.85 +		    if (!strcmp(attribute_names[i],"line"))
    1.86 +		    {
    1.87 +			tmp=g_ascii_strtoull(attribute_values[i],&endp,0);
    1.88 +			if (tmp<1 || tmp>G_MAXUINT || tmp==G_MAXUINT64)
    1.89 +			{
    1.90 +			    g_set_error(error,G_MARKUP_ERROR,
    1.91 +			      G_MARKUP_ERROR_INVALID_CONTENT,"Invalid value "
    1.92 +			      "for attribute 'line' on element '%s': '%s'",
    1.93 +			      element_name,attribute_values[i]);
    1.94 +			    return;
    1.95 +			}
    1.96 +			baton->location->line=(guint)tmp;
    1.97 +		    }
    1.98 +		    else if (!strcmp(attribute_names[i],"column"))
    1.99 +		    {
   1.100 +			tmp=g_ascii_strtoull(attribute_values[i],&endp,0);
   1.101 +			if (tmp<1 || tmp>G_MAXUINT || tmp==G_MAXUINT64)
   1.102 +			{
   1.103 +			    g_set_error(error,G_MARKUP_ERROR,
   1.104 +			      G_MARKUP_ERROR_INVALID_CONTENT,"Invalid value "
   1.105 +			      "for attribute 'column' on element '%s': '%s'",
   1.106 +			      element_name,attribute_values[i]);
   1.107 +			    return;
   1.108 +			}
   1.109 +			baton->location->column=(guint)tmp;
   1.110 +		    }
   1.111 +		    else
   1.112 +		    {
   1.113 +			g_set_error(error,G_MARKUP_ERROR,
   1.114 +			  G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
   1.115 +			  "Unknown attribute on element '%s': '%s'",
   1.116 +			  element_name,attribute_names[i]);
   1.117 +			return;
   1.118 +		    }
   1.119 +		}
   1.120 +		if (!baton->location->line)
   1.121 +		{
   1.122 +		    g_set_error(error,G_MARKUP_ERROR,
   1.123 +		      G_MARKUP_ERROR_MISSING_ATTRIBUTE,
   1.124 +		      "Missing attribute on element '%s': 'line'",element_name);
   1.125 +		    return;
   1.126 +		}
   1.127 +		baton->state=WARNINGS_IN_AT;
   1.128 +	    }
   1.129 +	    else if (!strcmp(element_name,"text"))
   1.130 +	    {
   1.131 +		if (attribute_names[0])
   1.132 +		{
   1.133 +		    g_set_error(error,G_MARKUP_ERROR,
   1.134 +		      G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
   1.135 +		      "Unknown attribute on element 'text': '%s'",
   1.136 +		      attribute_names[0]);
   1.137 +		    return;
   1.138 +		}
   1.139 +		baton->state=WARNINGS_IN_TEXT;
   1.140 +	    }
   1.141 +	    break;
   1.142 +	case WARNINGS_IN_AT:
   1.143 +	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
   1.144 +	      "Unknown element in 'at': '%s'",element_name);
   1.145 +	    return;
   1.146 +	case WARNINGS_IN_TEXT:
   1.147 +	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
   1.148 +	      "Unknown element in 'text': '%s'",element_name);
   1.149 +	    return;
   1.150 +	default:
   1.151 +	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
   1.152 +	      "Unexpected element: '%s'",element_name);
   1.153 +	    return;
   1.154 +    }
   1.155 +}
   1.156 +
   1.157 +static void warnings_parser_end_element(GMarkupParseContext *context,
   1.158 +  const char *element_name,void *user_data,GError **error)
   1.159 +{
   1.160 +    WarningsBaton *baton=user_data;
   1.161 +    switch(baton->state)
   1.162 +    {
   1.163 +	case WARNINGS_IN_EXPECTED:
   1.164 +	    baton->testcase->warnings=
   1.165 +	      g_slist_reverse(baton->testcase->warnings);
   1.166 +	    baton->state=WARNINGS_DONE;
   1.167 +	    break;
   1.168 +	case WARNINGS_IN_WARNING:
   1.169 +	    baton->warning->locations=
   1.170 +	      g_slist_reverse(baton->warning->locations);
   1.171 +	    baton->testcase->warnings=g_slist_prepend(baton->testcase->warnings,
   1.172 +	      baton->warning);
   1.173 +	    baton->warning=NULL;
   1.174 +	    baton->state=WARNINGS_IN_EXPECTED;
   1.175 +	    break;
   1.176 +	case WARNINGS_IN_AT:
   1.177 +	    baton->warning->locations=g_slist_prepend(baton->warning->locations,
   1.178 +	      baton->location);
   1.179 +	    baton->location=NULL;
   1.180 +	    baton->state=WARNINGS_IN_WARNING;
   1.181 +	    break;
   1.182 +	case WARNINGS_IN_TEXT:
   1.183 +	    baton->state=WARNINGS_IN_WARNING;
   1.184 +	    break;
   1.185 +	default:
   1.186 +	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_UNKNOWN_ELEMENT,
   1.187 +	      "Unexpected element ending: '%s'",element_name);
   1.188 +	    return;
   1.189 +    }
   1.190 +}
   1.191 +
   1.192 +static void warnings_parser_text(GMarkupParseContext *context,
   1.193 +  const char *text,gsize text_len,void *user_data,GError **error)
   1.194 +{
   1.195 +    char *s,*t;
   1.196 +    WarningsBaton *baton=user_data;
   1.197 +    switch(baton->state)
   1.198 +    {
   1.199 +	case WARNINGS_IN_EXPECTED:
   1.200 +	    if (strspn(text," \t\n")!=text_len)
   1.201 +		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,
   1.202 +		  "The 'expected' tag does not take any content");
   1.203 +	    break;
   1.204 +	case WARNINGS_IN_WARNING:
   1.205 +	    if (strspn(text," \t\n")!=text_len)
   1.206 +		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,
   1.207 +		  "The warning tags do not take any content");
   1.208 +	    break;
   1.209 +	case WARNINGS_IN_AT:
   1.210 +	    if (strspn(text," \t\n")!=text_len)
   1.211 +		g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,
   1.212 +		  "The 'at' tag does not take any content");
   1.213 +	    break;
   1.214 +	case WARNINGS_IN_TEXT:
   1.215 +	    s=g_strdup(text+strspn(text," \t\n"));
   1.216 +	    g_strchomp(s);
   1.217 +	    if (baton->warning->text)
   1.218 +	    {
   1.219 +		t=g_strconcat(baton->warning->text,s,NULL);
   1.220 +		g_free(baton->warning->text);
   1.221 +		g_free(s);
   1.222 +		baton->warning->text=t;
   1.223 +	    }
   1.224 +	    else
   1.225 +		baton->warning->text=s;
   1.226 +	    break;
   1.227 +	default:
   1.228 +	    g_set_error(error,G_MARKUP_ERROR,G_MARKUP_ERROR_INVALID_CONTENT,
   1.229 +	      "Unexpected content: '%s'",text);
   1.230 +	    return;
   1.231 +    }
   1.232 +}
   1.233 +
   1.234 +GMarkupParseContext *warnings_parse_context_new(Testcase *testcase)
   1.235 +{
   1.236 +    static GMarkupParser parser={0};
   1.237 +    WarningsBaton *baton;
   1.238 +    parser.start_element=warnings_parser_start_element;
   1.239 +    parser.end_element=warnings_parser_end_element;
   1.240 +    parser.text=warnings_parser_text;
   1.241 +    baton=g_new0(WarningsBaton,1);
   1.242 +    baton->testcase=testcase;
   1.243 +    baton->state=WARNINGS_INIT;
   1.244 +    return g_markup_parse_context_new(&parser,
   1.245 +      G_MARKUP_TREAT_CDATA_AS_TEXT|G_MARKUP_PREFIX_ERROR_POSITION,
   1.246 +      baton,g_free);
   1.247 +}